a noted bibliography

How to Prepare an Annotated Bibliography: The Annotated Bibliography

• The Annotated Bibliography
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Explanation, Process, Directions, and Examples

What is an annotated bibliography.

An annotated bibliography is a list of citations to books, articles, and documents. Each citation is followed by a brief (usually about 150 words) descriptive and evaluative paragraph, the annotation. The purpose of the annotation is to inform the reader of the relevance, accuracy, and quality of the sources cited.

Annotations vs. Abstracts

Abstracts are the purely descriptive summaries often found at the beginning of scholarly journal articles or in periodical indexes. Annotations are descriptive and critical; they may describe the author's point of view, authority, or clarity and appropriateness of expression.

The Process

Creating an annotated bibliography calls for the application of a variety of intellectual skills: concise exposition, succinct analysis, and informed library research.

First, locate and record citations to books, periodicals, and documents that may contain useful information and ideas on your topic. Briefly examine and review the actual items. Then choose those works that provide a variety of perspectives on your topic.

Cite the book, article, or document using the appropriate style.

Write a concise annotation that summarizes the central theme and scope of the book or article. Include one or more sentences that (a) evaluate the authority or background of the author, (b) comment on the intended audience, (c) compare or contrast this work with another you have cited, or (d) explain how this work illuminates your bibliography topic.

Critically Appraising the Book, Article, or Document

For guidance in critically appraising and analyzing the sources for your bibliography, see How to Critically Analyze Information Sources . For information on the author's background and views, ask at the reference desk for help finding appropriate biographical reference materials and book review sources.

Choosing the Correct Citation Style

Check with your instructor to find out which style is preferred for your class. Online citation guides for both the Modern Language Association (MLA) and the American Psychological Association (APA) styles are linked from the Library's Citation Management page .

Sample Annotated Bibliography Entries

The following example uses APA style ( Publication Manual of the American Psychological Association , 7th edition, 2019) for the journal citation:

Waite, L., Goldschneider, F., & Witsberger, C. (1986). Nonfamily living and the erosion of traditional family orientations among young adults. American Sociological Review, 51 (4), 541-554. The authors, researchers at the Rand Corporation and Brown University, use data from the National Longitudinal Surveys of Young Women and Young Men to test their hypothesis that nonfamily living by young adults alters their attitudes, values, plans, and expectations, moving them away from their belief in traditional sex roles. They find their hypothesis strongly supported in young females, while the effects were fewer in studies of young males. Increasing the time away from parents before marrying increased individualism, self-sufficiency, and changes in attitudes about families. In contrast, an earlier study by Williams cited below shows no significant gender differences in sex role attitudes as a result of nonfamily living.

This example uses MLA style ( MLA Handbook , 9th edition, 2021) for the journal citation. For additional annotation guidance from MLA, see 5.132: Annotated Bibliographies .

Waite, Linda J., et al. "Nonfamily Living and the Erosion of Traditional Family Orientations Among Young Adults." American Sociological Review, vol. 51, no. 4, 1986, pp. 541-554. The authors, researchers at the Rand Corporation and Brown University, use data from the National Longitudinal Surveys of Young Women and Young Men to test their hypothesis that nonfamily living by young adults alters their attitudes, values, plans, and expectations, moving them away from their belief in traditional sex roles. They find their hypothesis strongly supported in young females, while the effects were fewer in studies of young males. Increasing the time away from parents before marrying increased individualism, self-sufficiency, and changes in attitudes about families. In contrast, an earlier study by Williams cited below shows no significant gender differences in sex role attitudes as a result of nonfamily living.

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How to Write an Annotated Bibliography - APA Style (7th Edition)

What is an annotation, how is an annotation different from an abstract, what is an annotated bibliography, types of annotated bibliographies, descriptive or informative, analytical or critical, to get started.

An annotation is more than just a brief summary of an article, book, website, or other type of publication. An annotation should give enough information to make a reader decide whether to read the complete work. In other words, if the reader were exploring the same topic as you, is this material useful and if so, why?

While an abstract also summarizes an article, book, website, or other type of publication, it is purely descriptive. Although annotations can be descriptive, they also include distinctive features about an item. Annotations can be evaluative and critical as we will see when we look at the two major types of annotations.

An annotated bibliography is an organized list of sources (like a reference list). It differs from a straightforward bibliography in that each reference is followed by a paragraph length annotation, usually 100–200 words in length.

Depending on the assignment, an annotated bibliography might have different purposes:

• Provide a literature review on a particular subject
• Help to formulate a thesis on a subject
• Demonstrate the research you have performed on a particular subject
• Provide examples of major sources of information available on a topic
• Describe items that other researchers may find of interest on a topic

There are two major types of annotated bibliographies:

A descriptive or informative annotated bibliography describes or summarizes a source as does an abstract; it describes why the source is useful for researching a particular topic or question and its distinctive features. In addition, it describes the author's main arguments and conclusions without evaluating what the author says or concludes.

For example:

McKinnon, A. (2019). Lessons learned in year one of business.  Journal of Legal Nurse Consulting ,  30 (4), 26–28. This article describes some of the difficulties many nurses experience when transitioning from nursing to a legal nurse consulting business. Pointing out issues of work-life balance, as well as the differences of working for someone else versus working for yourself, the author offers their personal experience as a learning tool. The process of becoming an entrepreneur is not often discussed in relation to nursing, and rarely delves into only the first year of starting a new business. Time management, maintaining an existing job, decision-making, and knowing yourself in order to market yourself are discussed with some detail. The author goes on to describe how important both the nursing professional community will be to a new business, and the importance of mentorship as both the mentee and mentor in individual success that can be found through professional connections. The article’s focus on practical advice for nurses seeking to start their own business does not detract from the advice about universal struggles of entrepreneurship makes this an article of interest to a wide-ranging audience.

An analytical or critical annotation not only summarizes the material, it analyzes what is being said. It examines the strengths and weaknesses of what is presented as well as describing the applicability of the author's conclusions to the research being conducted.

Analytical or critical annotations will most likely be required when writing for a college-level course.

McKinnon, A. (2019). Lessons learned in year one of business.  Journal of Legal Nurse Consulting ,  30 (4), 26–28. This article describes some of the difficulty many nurses experience when transitioning from nursing to a nurse consulting business. While the article focuses on issues of work-life balance, the differences of working for someone else versus working for yourself, marketing, and other business issues the author’s offer of only their personal experience is brief with few or no alternative solutions provided. There is no mention throughout the article of making use of other research about starting a new business and being successful. While relying on the anecdotal advice for their list of issues, the author does reference other business resources such as the Small Business Administration to help with business planning and professional organizations that can help with mentorships. The article is a good resource for those wanting to start their own legal nurse consulting business, a good first advice article even. However, entrepreneurs should also use more business research studies focused on starting a new business, with strategies against known or expected pitfalls and issues new businesses face, and for help on topics the author did not touch in this abbreviated list of lessons learned.

Now you are ready to begin writing your own annotated bibliography.

• Choose your sources - Before writing your annotated bibliography, you must choose your sources. This involves doing research much like for any other project. Locate records to materials that may apply to your topic.
• Review the items - Then review the actual items and choose those that provide a wide variety of perspectives on your topic. Article abstracts are helpful in this process.
• The purpose of the work
• A summary of its content
• Information about the author(s)
• For what type of audience the work is written
• Its relevance to the topic
• Any special or unique features about the material
• Research methodology
• The strengths, weaknesses or biases in the material

Annotated bibliographies may be arranged alphabetically or chronologically, check with your instructor to see what he or she prefers.

Please see the  APA Examples page  for more information on citing in APA style.

• Last Updated: Aug 8, 2023 11:27 AM
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• How to create an MLA style annotated bibliography

MLA Style Annotated Bibliography | Format & Examples

Published on July 13, 2021 by Jack Caulfield . Revised on March 5, 2024.

An annotated bibliography is a special assignment that lists sources in a way similar to the MLA Works Cited list, but providing an annotation for each source giving extra information.

You might be assigned an annotated bibliography as part of the research process for a paper , or as an individual assignment.

MLA provides guidelines for writing and formatting your annotated bibliography. An example of a typical annotation is shown below.

Kenny, Anthony. A New History of Western Philosophy: In Four Parts . Oxford UP, 2010.

You can create and manage your annotated bibliography with Scribbr’s free MLA Citation Generator . Choose your source type, retrieve the details, and click “Add annotation.”

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Table of contents

Mla format for annotated bibliographies, length and content of annotations, frequently asked questions about annotated bibliographies.

The list should be titled either “Annotated Bibliography” or “Annotated List of Works Cited.” You may be told which title to use; “bibliography” is normally used for a list that also includes sources you didn’t cite in your paper or that isn’t connected to a paper at all.

Sources are usually organized alphabetically , like in a normal Works Cited list, but can instead be organized chronologically or by subject depending on the purpose of the assignment.

The source information is presented and formatted in the same way as in a normal Works Cited entry:

• Double-spaced
• Left-aligned
• 0.5 inch hanging indent

The annotation follows on the next line, also double-spaced and left-aligned. The whole annotation is indented 1 inch from the left margin to distinguish it from the 0.5 inch hanging indent of the source entry.

• If the annotation is only one paragraph long, there’s no additional indent for the start of the paragraph.
• If there are two or more paragraphs, indent the first line of each paragraph , including the first, an additional half-inch (so those lines are indented 1.5 inches in total).

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MLA gives some guidelines for writing the annotations themselves. They cover how concise you need to be and what exactly you should write about your sources.

Phrases or full sentences?

MLA states that it’s acceptable to use concise phrases rather than grammatically complete sentences in your annotations.

While you shouldn’t write this way in your main text, it’s acceptable in annotations because the subject of the phrase is clear from the context. It’s also fine to use full sentences instead, if you prefer.

• Broad history of Western philosophy from the ancient Greeks to the present day.
• Kenny presents a broad history of Western philosophy from the ancient Greeks to the present day.

Always use full sentences if your instructor requires you to do so, though.

How many paragraphs?

MLA states that annotations usually aim to be concise and thus are only one paragraph long. However, it’s acceptable to write multiple-paragraph annotations if you need to.

If in doubt, aim to keep your annotations short, but use multiple paragraphs if longer annotations are required for your assignment.

Descriptive, evaluative, or reflective annotations?

MLA states that annotations can describe or evaluate sources, or do both. They shouldn’t go into too much depth quoting or discussing minor details from the source, but aim to write about it in broad terms.

You’ll usually write either descriptive , evaluative , or reflective annotations . If you’re not sure what kind of annotations you need, consult your assignment guidelines or ask your instructor.

An annotated bibliography is an assignment where you collect sources on a specific topic and write an annotation for each source. An annotation is a short text that describes and sometimes evaluates the source.

Any credible sources on your topic can be included in an annotated bibliography . The exact sources you cover will vary depending on the assignment, but you should usually focus on collecting journal articles and scholarly books . When in doubt, utilize the CRAAP test !

Each annotation in an annotated bibliography is usually between 50 and 200 words long. Longer annotations may be divided into paragraphs .

The content of the annotation varies according to your assignment. An annotation can be descriptive, meaning it just describes the source objectively; evaluative, meaning it assesses its usefulness; or reflective, meaning it explains how the source will be used in your own research .

No, in an MLA annotated bibliography , you can write short phrases instead of full sentences to keep your annotations concise. You can still choose to use full sentences instead, though.

Use full sentences in your annotations if your instructor requires you to, and always use full sentences in the main text of your paper .

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Home / Guides / Citation Guides / APA Format / APA Annotated Bibliography Format

APA Annotated Bibliography Format

The American Psychological Association states that your instructor should set the guidelines for your annotated bibliography, but does ask that the list be formatted according to their standard reference page rules (see Section 9.51 of the  Publication Manual ). Since there are no set rules for creating one, you may be wondering how to create an annotated APA bibliography. If your teacher or professor requests one, don’t worry, here are our recommendations:

• Make sure you create your references according to APA’s guidelines. If you need some help, here’s a great  APA citation website , which shows how to create references for electronic sources. We also have a page on developing a reference for an  APA journal . Need other source types? Check out the other helpful pages on EasyBib.com.
• Annotations should be kept short and are usually not more than one paragraph.
• For more information on writing an annotation, visit the general  annotated bibliography guide .

Here’s a run-through of everything this page includes:

• Quick APA formatting guidelines

Annotation example

Visual example, using the easybib annotation tool, troubleshooting, quick  apa  formatting guidelines:.

• Use 1-inch page margins on all sides.
• The entire page should be double-spaced.
• Title your page, “Annotated Bibliography”. Center and bold it.
• Left-align references. If a reference runs over more than one line, any line(s) that comes after the first should be indented a ½ inch from the left margin.
• Organize your references alphabetically by the first word in the reference. (See further details in this  APA Reference Page  guide).
• Add the annotations on the line right after their corresponding reference.
• Indent annotations ½ inch from the left margin.
• Include a page number in the upper right corner; if this is a professional paper, it should be a running head.

For an annotated bibliography APA example, we’re using the same description as above. The only thing we’re going to change is the structure of the reference. For an APA bibliography, the reference needs to be an  APA citation , and the description can be formed the same way as above.

Here’s what the  APA book citation  for  The Elements of Eloquence: Secrets of the Perfect Turn of Phrase  looks like:

Forsyth, M. (2014).  The elements of eloquence: Secrets of the perfect turn of phrase.  Penguin Books.

The author, Mark Forsyth, examines the rhetorical devices used in the English language, analyzing the patterns and formats that create memorable quotes. He traces the history of rhetoric to the Ancient Greeks, and provides an abridged timeline, following their use and evolution through to modern day. The author also explores the broader subject of persuasion and maps out the role that the figures of rhetoric play in it. In all, he examines over thirty devices, dissecting notable passages and phrases from pop music, the plays of William Shakespeare, the Bible, and more to explore the figures of rhetoric at work within each of them. Thorough definitions accompany this examination of structure to demonstrate how these formulas have been used to generate famously memorable expressions as well as how to reproduce their effects.

The EasyBib citation generator has an annotation tool that can help you easily add your annotation to a citation.

• To do this, begin creating a citation in the EasyBib citation generator. Already have a citation on EasyBib.com? Go to the citation, open your citation options and select “Edit citation.”
• Once you get to the citation form (where you review found information), scroll to the bottom until you see the sections “More options.”
• Under that section, click on the “Add annotation” link to open the annotation box.
• Copy and paste your annotation into the box.
• Complete your citation.
• Your annotation will automatically be included and formatted with your citation. You can copy and paste directly into your paper!

Again, even though the APA style does not support the creation of bibliographies that include annotations, many schools and professors expect their students to include summaries or commentary alongside their citations in APA style.

Solution #1: How to write an annotation

Annotations are brief paragraph summaries of your source and may include details about how you plan to use the information in your paper, or the quality of information in your source. Take these steps:

• Read through the source.
• Identify the main thesis theme of the source then consider how you would summarize the article and its purpose in one sentence.
• Evaluate the source. Is the author(s) qualified? Is the source and its arguments credible? Well-written? Why or why not?
• How does the source relate to your paper?
• Write your annotation based on the above steps. Choose only the points that would most help you or your reader gain an understanding of the source and its significance.

Here are writing tips:

• Avoid describing every event, statistic, or detail that occurs in your source.
• Focus on details that are relevant to your topic or your paper. Help the reader understand why the source was selected and is importance.
• Think about how the information impacts your perspective, how it contributes to your topic, and the effect on your overall paper.

Annotated paragraph example:

Solution #2: How to correctly format an annotation with multiple paragraphs

• Indent the entire annotated paragraph at ½ of an inch. When done correctly, the left edge of the annotated paragraph will look entirely straight, as in the first example below.
• If there are multiple paragraphs, follow step one but use a second 0.5-inch indention on the second and following paragraphs.
• Avoid indenting the paragraph at 0.5 inch like a regular essay paragraph, as shown in the third example.

Single annotated paragraph example:

Multiple annotated paragraphs example:

In his novel, “A True Story of John Doe,” Samuel Smith outlines his life through the eyes of a fictional character. His recollection outlines the immigrant experience and demonstrates how modern life in England came to be.

          Chapters two and three outline the novelty of moving to a new location by describing the eventual progression to culture shock. Smith describes life as beautiful and wonderous in chapter two by emphasizing sensory experiences. However, in chapter three, he slowly gains awareness of the differences between his current and previous lives and of how the locals treat him. Smith nullifies the sensory experiences and, instead, focuses on the depth of the human emotion. I intend to use this source to compare to my own experience as an immigrant.

APA Formatting Guide

APA Formatting

• Annotated Bibliography
• Block Quotes
• et al Usage
• In-text Citations
• Multiple Authors
• Paraphrasing
• Page Numbers
• Parenthetical Citations
• Reference Page
• Sample Paper
• APA 7 Updates
• View APA Guide

Citation Examples

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• Journal Article
• Magazine Article
• Newspaper Article
• Website (no author)
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To create an annotated APA bibliography, follow the below recommendations:

• Order your reference entries in alphabetical order similar to how you would order entries in the reference list.
• If you want to add an annotation to an entry, add it as a new paragraph below the reference entry. The entire annotation is indented 0.5 inches from the left margin.

For example:

Lim, L. (2014). Ideology, rationality and reproduction in education: A critical discourse analysis. Discourse: Studies in the Cultural Politics of Education, 35 (1), 61–76. https://doi.org/10.1080/01596306.2012.739467 Lim focuses on issues of power and ideology dominant in curricular discourses of rationality to study a discourse analysis of the goals of one of the most important curricula in the teaching of thinking. He proves that political and class commitments are reproduced in the forms of thinking that are valued in societies. Through his research, Lim asserts that such curricula engage in creating our understanding of what thinking and rationality are.

To format an annotated bibliography in APA, follow the recommendations given below:

• Set the left, right, top, and bottom margins as 1 inch.
• Use double-line spacing.
• Title the page “Annotated Bibliography.” Set it in bold.
• The title should be aligned to the center of the page.
• As you format reference entries, left-align all references in the annotated bibliography section. If any entry runs over more than a line, indent the subsequent lines 0.5 inches from the left margin.
• Arrange all reference entries alphabetically according to the surname of the authors.
• Provide your annotations below the reference entry for which you want to give your annotation. Indent annotations 0.5 inches from the left margin.

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How to Write an Annotated Bibliography

• Introduction
• New RefWorks
• Formatting Citations
• Writing Annotations
• Sample Annotated Bibliographies

What is an Annotated Bibliography?

An annotated bibliography is an enhanced list of citations that briefly summarizes each article, book, or other source of information and explains why it is important for your topic.  It can be divided into two distinct parts: the annotation and the bibliography.

• A bibliography is a list of articles, books, and or other sources of information that have been used for researching a topic. This list is called “References” In APA format or “Works Cited” in MLA format.  All academic papers should have a bibliography that lists the sources used for its creation. 
• An annotation is a short paragraph that summarizes a source and describes how it is relevant to your research.  To annotate literally means “to make notes.”

There is not an official format for annotated bibliographies, though usually the bibliographic citation is written in APA or MLA format.  If this is being done for a class, ask the instructor which format you should use. ​

• Example of an Annotated Bibliography The William Morris Collection at the Archives and Rare Books Library, University of Cincinnati
• More Examples

Example of entries on an Annotated Bibliography

Henderson, R., & Honan, E. (2008). Digital literacies in two low socioeconomic classrooms: Snapshots of practice. English Teaching: Practice and Critique, (7)2 , 85-98.

Provides snapshots of digital practices in two middle-level classrooms within low socioeconomic suburbs in Australia during one school term. Ethnographic research techniques were used to investigate (1) teachers' pedagogical approaches to using digital literacy practices with low-income students; (2) students' access to digital technologies at home and at school; and (3) how home literate practices compared to the practices valued in school. Results underscore the need to disrupt teachers' deficit views of these students' home digital literacies so that school practices can be built upon the knowledge and literacies students already have. 

(Beach et al., 2009)

Frazen, K., & Kamps, D. (2008). The utilization and effects of positive behavior support strategies on an urban school playground. Journal of Positive Behavior Interventions, 10, 150-161. doi: 10.1177/1098300708316260.

This study examined the effectiveness of a school-wide PBS recess intervention across three grades—2 nd , 3 rd , and 4 th .  The intervention included a token economy system for following five operationally defined, positively stated school rules.  A multiple baseline design across grades was used to determine the effectiveness of the swPBS recess intervention on inappropriate behaviors.  Intervention was implemented across the three grades at staggered times.  When intervention was implemented, inappropriate behavior demonstrated a change in level for all grades and a decrease in variability for one grade (2 nd ). Trend was relatively stable across all phases for two classrooms and a slight increasing trend was observed during baseline for the 4 th grade that stabilized once the intervention was implemented. Experimental control was demonstrated when (1) baseline behavior remained consistent despite the implementation of intervention in other grades, (2) only when intervention was implemented was a change in behavior level observed, and (3) experimental control was demonstrated at three distinct points. 

(McCoy, 2015)

Why are Annotated Bibliographies useful?

An annotated bibliography demonstrates your understanding of a topic.  It's easy to add a source to a reference list and forget about it when you just need a citation, but you will read and evaluate that source more carefully when you have to write an annotation for it. Since annotations need to be more than just a summary and explain the value of each source, you are forced to think critically and develop a point of view on the topic.  Writing an annotated bibliography is a great way to start preparing a major research project because you will see what arguments have already been proposed in the literature and where your project can add something new to the larger body of work.

Reading published scholarly annotated bibliographies is an efficient method for starting research since they will provide a comprehensive overview of a topic and introduce what other researchers are saying about a topic.

Beach, R., Bigelow, M., Dillon, D., Dockter, J., Galda, L., Helman, L., . . . Janssen, T. (2009). Annotated Bibliography of Research in the Teaching of English.  Research in the Teaching of English,   44 (2), 210-241. Retrieved from http://www.jstor.org/stable/27784357

McCoy, D. (2015). Annotated bibliography #1 behavior research methods [Class handout]. Behavior Analysis, University of Cincinnati, Cincinnati, OH.

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Annotated Bibliographies

What this handout is about.

This handout will explain why annotated bibliographies are useful for researchers, provide an explanation of what constitutes an annotation, describe various types of annotations and styles for writing them, and offer multiple examples of annotated bibliographies in the MLA, APA, and CBE/CSE styles of citation.

Introduction

Welcome to the wonderful world of annotated bibliographies! You’re probably already familiar with the need to provide bibliographies, reference pages, and works cited lists to credit your sources when you do a research paper. An annotated bibliography includes descriptions and explanations of your listed sources beyond the basic citation information you usually provide.

Why do an annotated bibliography?

One of the reasons behind citing sources and compiling a general bibliography is so that you can prove you have done some valid research to back up your argument and claims. Readers can refer to a citation in your bibliography and then go look up the material themselves. When inspired by your text or your argument, interested researchers can access your resources. They may wish to double check a claim or interpretation you’ve made, or they may simply wish to continue researching according to their interests. But think about it: even though a bibliography provides a list of research sources of all types that includes publishing information, how much does that really tell a researcher or reader about the sources themselves?

An annotated bibliography provides specific information about each source you have used. As a researcher, you have become an expert on your topic: you have the ability to explain the content of your sources, assess their usefulness, and share this information with others who may be less familiar with them. Think of your paper as part of a conversation with people interested in the same things you are; the annotated bibliography allows you to tell readers what to check out, what might be worth checking out in some situations, and what might not be worth spending the time on. It’s kind of like providing a list of good movies for your classmates to watch and then going over the list with them, telling them why this movie is better than that one or why one student in your class might like a particular movie better than another student would. You want to give your audience enough information to understand basically what the movies are about and to make an informed decision about where to spend their money based on their interests.

What does an annotated bibliography do?

A good annotated bibliography:

• encourages you to think critically about the content of the works you are using, their place within a field of study, and their relation to your own research and ideas.
• proves you have read and understand your sources.
• establishes your work as a valid source and you as a competent researcher.
• situates your study and topic in a continuing professional conversation.
• provides a way for others to decide whether a source will be helpful to their research if they read it.
• could help interested researchers determine whether they are interested in a topic by providing background information and an idea of the kind of work going on in a field.

What elements might an annotation include?

• Bibliography according to the appropriate citation style (MLA, APA, CBE/CSE, etc.).
• Explanation of main points and/or purpose of the work—basically, its thesis—which shows among other things that you have read and thoroughly understand the source.
• Verification or critique of the authority or qualifications of the author.
• Comments on the worth, effectiveness, and usefulness of the work in terms of both the topic being researched and/or your own research project.
• The point of view or perspective from which the work was written. For instance, you may note whether the author seemed to have particular biases or was trying to reach a particular audience.
• Relevant links to other work done in the area, like related sources, possibly including a comparison with some of those already on your list. You may want to establish connections to other aspects of the same argument or opposing views.

The first four elements above are usually a necessary part of the annotated bibliography. Points 5 and 6 may involve a little more analysis of the source, but you may include them in other kinds of annotations besides evaluative ones. Depending on the type of annotation you use, which this handout will address in the next section, there may be additional kinds of information that you will need to include.

For more extensive research papers (probably ten pages or more), you often see resource materials grouped into sub-headed sections based on content, but this probably will not be necessary for the kinds of assignments you’ll be working on. For longer papers, ask your instructor about their preferences concerning annotated bibliographies.

Did you know that annotations have categories and styles?

Decisions, decisions.

As you go through this handout, you’ll see that, before you start, you’ll need to make several decisions about your annotations: citation format, type of annotation, and writing style for the annotation.

First of all, you’ll need to decide which kind of citation format is appropriate to the paper and its sources, for instance, MLA or APA. This may influence the format of the annotations and bibliography. Typically, bibliographies should be double-spaced and use normal margins (you may want to check with your instructor, since they may have a different style they want you to follow).

MLA (Modern Language Association)

See the UNC Libraries citation tutorial for basic MLA bibliography formatting and rules.

• MLA documentation is generally used for disciplines in the humanities, such as English, languages, film, and cultural studies or other theoretical studies. These annotations are often summary or analytical annotations.
• Title your annotated bibliography “Annotated Bibliography” or “Annotated List of Works Cited.”
• Following MLA format, use a hanging indent for your bibliographic information. This means the first line is not indented and all the other lines are indented four spaces (you may ask your instructor if it’s okay to tab over instead of using four spaces).
• Begin your annotation immediately after the bibliographic information of the source ends; don’t skip a line down unless you have been told to do so by your instructor.

APA (American Psychological Association)

See the UNC Libraries citation tutorial for basic APA bibliography formatting and rules.

• Natural and social sciences, such as psychology, nursing, sociology, and social work, use APA documentation. It is also used in economics, business, and criminology. These annotations are often succinct summaries.
• Annotated bibliographies for APA format do not require a special title. Use the usual “References” designation.
• Like MLA, APA uses a hanging indent: the first line is set flush with the left margin, and all other lines are indented four spaces (you may ask your instructor if it’s okay to tab over instead of using four spaces).
• After the bibliographic citation, drop down to the next line to begin the annotation, but don’t skip an extra line.
• The entire annotation is indented an additional two spaces, so that means each of its lines will be six spaces from the margin (if your instructor has said that it’s okay to tab over instead of using the four spaces rule, indent the annotation two more spaces in from that point).

CBE (Council of Biology Editors)/CSE (Council of Science Editors)

See the UNC Libraries citation tutorial for basic CBE/CSE bibliography formatting and rules.

• CBE/CSE documentation is used by the plant sciences, zoology, microbiology, and many of the medical sciences.
• Annotated bibliographies for CBE/CSE format do not require a special title. Use the usual “References,” “Cited References,” or “Literature Cited,” and set it flush with the left margin.
• Bibliographies for CSE in general are in a slightly smaller font than the rest of the paper.
• When using the name-year system, as in MLA and APA, the first line of each entry is set flush with the left margin, and all subsequent lines, including the annotation, are indented three or four spaces.
• When using the citation-sequence method, each entry begins two spaces after the number, and every line, including the annotation, will be indented to match the beginning of the entry, or may be slightly further indented, as in the case of journals.
• After the bibliographic citation, drop down to the next line to begin the annotation, but don’t skip an extra line. The entire annotation follows the indentation of the bibliographic entry, whether it’s N-Y or C-S format.
• Annotations in CBE/CSE are generally a smaller font size than the rest of the bibliographic information.

After choosing a documentation format, you’ll choose from a variety of annotation categories presented in the following section. Each type of annotation highlights a particular approach to presenting a source to a reader. For instance, an annotation could provide a summary of the source only, or it could also provide some additional evaluation of that material.

In addition to making choices related to the content of the annotation, you’ll also need to choose a style of writing—for instance, telescopic versus paragraph form. Your writing style isn’t dictated by the content of your annotation. Writing style simply refers to the way you’ve chosen to convey written information. A discussion of writing style follows the section on annotation types.

Types of annotations

As you now know, one annotation does not fit all purposes! There are different kinds of annotations, depending on what might be most important for your reader to learn about a source. Your assignments will usually make it clear which citation format you need to use, but they may not always specify which type of annotation to employ. In that case, you’ll either need to pick your instructor’s brain a little to see what they want or use clue words from the assignment itself to make a decision. For instance, the assignment may tell you that your annotative bibliography should give evidence proving an analytical understanding of the sources you’ve used. The word analytical clues you in to the idea that you must evaluate the sources you’re working with and provide some kind of critique.

Summary annotations

There are two kinds of summarizing annotations, informative and indicative.

Summarizing annotations in general have a couple of defining features:

• They sum up the content of the source, as a book report might.
• They give an overview of the arguments and proofs/evidence addressed in the work and note the resulting conclusion.
• They do not judge the work they are discussing. Leave that to the critical/evaluative annotations.
• When appropriate, they describe the author’s methodology or approach to material. For instance, you might mention if the source is an ethnography or if the author employs a particular kind of theory.

Informative annotation

Informative annotations sometimes read like straight summaries of the source material, but they often spend a little more time summarizing relevant information about the author or the work itself.

Indicative annotation

Indicative annotation is the second type of summary annotation, but it does not attempt to include actual information from the argument itself. Instead, it gives general information about what kinds of questions or issues are addressed by the work. This sometimes includes the use of chapter titles.

Critical/evaluative

Evaluative annotations don’t just summarize. In addition to tackling the points addressed in summary annotations, evaluative annotations:

• evaluate the source or author critically (biases, lack of evidence, objective, etc.).
• show how the work may or may not be useful for a particular field of study or audience.
• explain how researching this material assisted your own project.

Combination

An annotated bibliography may combine elements of all the types. In fact, most of them fall into this category: a little summarizing and describing, a little evaluation.

Writing style

Ok, next! So what does it mean to use different writing styles as opposed to different kinds of content? Content is what belongs in the annotation, and style is the way you write it up. First, choose which content type you need to compose, and then choose the style you’re going to use to write it

This kind of annotated bibliography is a study in succinctness. It uses a minimalist treatment of both information and sentence structure, without sacrificing clarity. Warning: this kind of writing can be harder than you might think.

Don’t skimp on this kind of annotated bibliography. If your instructor has asked for paragraph form, it likely means that you’ll need to include several elements in the annotation, or that they expect a more in-depth description or evaluation, for instance. Make sure to provide a full paragraph of discussion for each work.

As you can see now, bibliographies and annotations are really a series of organized steps. They require meticulous attention, but in the end, you’ve got an entire testimony to all the research and work you’ve done. At the end of this handout you’ll find examples of informative, indicative, evaluative, combination, telescopic, and paragraph annotated bibliography entries in MLA, APA, and CBE formats. Use these examples as your guide to creating an annotated bibliography that makes you look like the expert you are!

MLA Example

APA Example

CBE Example

Works consulted

We consulted these works while writing this handout. This is not a comprehensive list of resources on the handout’s topic, and we encourage you to do your own research to find additional publications. Please do not use this list as a model for the format of your own reference list, as it may not match the citation style you are using. For guidance on formatting citations, please see the UNC Libraries citation tutorial . We revise these tips periodically and welcome feedback.

American Psychological Association. 2010. Publication Manual of the American Psychological Association . 6th ed. Washington, DC: American Psychological Association.

Bell, I. F., and J. Gallup. 1971. A Reference Guide to English, American, and Canadian Literature . Vancouver: University of British Columbia Press.

Bizzell, Patricia, and Bruce Herzburg. 1991. Bedford Bibliography for Teachers of Writing , 3rd ed. Boston: Bedford Books.

Center for Information on Language Teaching, and The English Teaching Information Center of the British Council. 1968. Language-Teaching Bibliography . Cambridge: Cambridge University.

Engle, Michael, Amy Blumenthal, and Tony Cosgrave. 2012. “How to Prepare an Annotated Bibliography.” Olin & Uris Libraries. Cornell University. Last updated September 25, 2012. https://olinuris.library.cornell.edu/content/how-prepare-annotated-bibliography.

Gibaldi, Joseph. 2009. MLA Handbook for Writers of Research Papers , 7th ed. New York: The Modern Language Association of America.

Huth, Edward. 1994. Scientific Style and Format: The CBE Manual for Authors, Editors, and Publishers . New York: University of Cambridge.

Kilborn, Judith. 2004. “MLA Documentation.” LEO: Literacy Education Online. Last updated March 16, 2004. https://leo.stcloudstate.edu/research/mla.html.

Spatt, Brenda. 1991. Writing from Sources , 3rd ed. New York: St. Martin’s.

University of Kansas. 2018. “Bibliographies.” KU Writing Center. Last updated April 2018. http://writing.ku.edu/bibliographies .

University of Wisconsin-Madison. 2019. “Annotated Bibliography.” The Writing Center. Accessed June 14, 2019. https://writing.wisc.edu/handbook/assignments/annotatedbibliography/ .

You may reproduce it for non-commercial use if you use the entire handout and attribute the source: The Writing Center, University of North Carolina at Chapel Hill

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Annotated Bibliographies

What is an annotated bibliography.

An annotated bibliography is a bibliography (works cited) with an additional description (i.e., annotation) of each source that includes a summary, assessment, and reflection of the source. The purpose of the annotation is to help the reader evaluate whether the work cited is relevant to a specific research topic or line of inquiry.

In the resources below, you'll find information about annotated bibliographies including what they are, why they're used, characteristics and anatomy, citation styles, and examples.

• Annotated Bibliographies (Purdue Owl) What is an annotated bibliography and why should you write one? Includes information on formatting.
• Annotated Bibliography Breakdown (Purdue Owl) The anatomy of an annotated bibliography entry.
• Annotated Bibliography Example (Purdue Owl) Sample MLA, APA, and Chicago Manual of Style annotations.
• Annotated Bibliographies (Handout) This handout will explain why annotated bibliographies are useful for researchers, provide an explanation of what constitutes an annotation, describe various types of annotations and styles for writing them, and offer multiple examples of annotated bibliographies in the MLA, APA, and CBE/CSE styles of citation.

Elements of an Annotation

What elements might an annotation include.

• Bibliography according to the appropriate citation style (MLA, APA, CBE/CSE, etc.).
• Explanation of main points and/or purpose of the work—basically, its thesis—which shows among other things that you have read and thoroughly understand the source.
• Verification or critique of the authority or qualifications of the author.
• Comments on the worth, effectiveness, and usefulness of the work in terms of both the topic being researched and/or your own research project.
• The point of view or perspective from which the work was written. For instance, you may note whether the author seemed to have particular biases or was trying to reach a particular audience.
• Relevant links to other work done in the area, like related sources, possibly including a comparison with some of those already on your list. You may want to establish connections to other aspects of the same argument or opposing views.

The first four elements above are usually a necessary part of the annotated bibliography. Points 5 and 6 may involve a little more analysis of the source, but you may include them in other kinds of annotations besides evaluative ones. 

Credit: The Writing Center, University of North Carolina at Chapel Hill licensed under a  Creative Commons Attribution-NonCommercial-NoDerivs 4.0 License .

Sample MLA Annotation

Sample mla annotation from purdue owl :.

Lamott, Anne.  Bird by Bird: Some Instructions on Writing and Life . Anchor Books, 1995.

Lamott's book offers honest advice on the nature of a writing life, complete with its insecurities and failures. Taking a humorous approach to the realities of being a writer, the chapters in Lamott's book are wry and anecdotal and offer advice on everything from plot development to jealousy, from perfectionism to struggling with one's own internal critic.

In the process, Lamott includes writing exercises designed to be both productive and fun. Lamott offers sane advice for those struggling with the anxieties of writing, but her main project seems to be offering the reader a reality check regarding writing, publishing, and struggling with one's own imperfect humanity in the process. Rather than a practical handbook to producing and/or publishing, this text is indispensable because of its honest perspective, its down-to-earth humor, and its encouraging approach.

Chapters in this text could easily be included in the curriculum for a writing class. Several of the chapters in Part 1 address the writing process and would serve to generate discussion on students' own drafting and revising processes. Some of the writing exercises would also be appropriate for generating classroom writing exercises. Students should find Lamott's style both engaging and enjoyable.

In the sample annotation above, the writer includes three paragraphs: a summary, an evaluation of the text, and a reflection on its applicability to his/her own research, respectively.

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Annotated Bibliography

An annotated bibliography is an organized list of sources, each of which is followed by a brief note or “annotation.”

These annotations do one or more of the following:

• describe the content and focus of the book or article
• suggest the source’s usefulness to your research
• evaluate its method, conclusions, or reliability
• record your reactions to the source.

How do I format the bibliographic citations?

Check with your instructor to determine which documentation style is required for your class: APA, MLA, Chicago/Turabian, CBE, Numbered References, APSA, etc.

Then, remember that the bibliography is an organized list of sources used. The annotation may immediately follow the bibliographic information on the same line, or it may begin on a new line, two lines below the publication information.

But, since style manuals differ, check with your instructor about which one to use concerning form, spacing, and consistency.

If you are using APA documentation, the Writing Center offers a short workshop called “APA Documentation”.

What goes into the content of the annotations?

Below are some of the most common forms of annotated bibliographies. Click on the links to see examples of each.

This form of annotation defines the scope of the source, lists the significant topics included, and tells what the source is about.

This type is different from the informative entry in that the informative entry gives actual information about its source.

In the indicative entry there is no attempt to give actual data such as hypotheses, proofs, etc. Generally, only topics or chapter titles are included.

Indicative (descriptive–tell us what is included in the source) Griffin, C. Williams, ed. (1982). Teaching writing in all disciplines. San Francisco: Jossey-Bass. Ten essays on writing-across-the-curriculum programs, teaching writing in disciplines other than English, and teaching techniques for using writing as learning. Essays include Toby Fulwiler, “Writing: An Act of Cognition”; Barbara King, “Using Writing in the Mathematics Class: Theory and Pratice”; Dean Drenk, “Teaching Finance Through Writing”; Elaine P. Maimon, “Writing Across the Curriculum: Past, Present, and Future.” (Bizzell and Herzberg, 1991, p. 47)

Informative

Simply put, this form of annotation is a summary of the source.

To write it, begin by writing the thesis; then develop it with the argument or hypothesis, list the proofs, and state the conclusion.

Informative (summary–tell us what the main findings or arguments are in the source) Voeltz, L.M. (1980). Children’s attitudes toward handicapped peers. American Journal of Mental Deficiency, 84, 455-464. As services for severely handicapped children become increasingly available within neighborhood public schools, children’s attitudes toward handicapped peers in integrated settings warrant attention. Factor analysis of attitude survey responses of 2,392 children revealed four factors underlying attitudes toward handicapped peers: social-contact willingness, deviance consequation, and two actual contact dimensions. Upper elementary-age children, girls, and children in schools with most contact with severely handicapped peers expressed the most accepting attitudes. Results of this study suggest the modifiability of children’s attitudes and the need to develop interventions to facilitate social acceptance of individual differences in integrated school settings. (Sternlicht and Windholz, 1984, p. 79)

In this form of annotation you need to assess the source’s strengths and weaknesses.

You get to say why the source is interesting or helpful to you, or why it is not. In doing this you should list what kind of and how much information is given; in short, evaluate the source’s usefulness.

Evaluative (tell us what you think of the source) Gurko, Leo. (1968). Ernest Hemingway and the pursuit of heroism. New York: Crowell. This book is part of a series called “Twentieth Century American Writers”: a brief introduction to the man and his work. After fifty pages of straight biography, Gurko discussed Hemingway’s writing, novel by novel. There’s an index and a short bibliography, but no notes. The biographical part is clear and easy to read, but it sounds too much like a summary. (Spatt, 1991, p. 322) Hingley, Ronald. (1950). Chekhov: A biographical and critical study. London: George Allen & Unwin. A very good biography. A unique feature of this book is the appendix, which has a chronological listing of all English translations of Chekhov’s short stories. (Spatt, 1991, p. 411)

Combination

Most annotated bibliographies are of this type.

They contain one or two sentences summarizing or describing content and one or two sentences providing an evaluation.

Combination Morris, Joyce M. (1959). Reading in the primary school: An investigation into standards of reading and their association with primary school characteristics. London: Newnes, for National Foundation for Educational Research. Report of a large-scale investigation into English children’s reading standards, and their relation to conditions such as size of classes, types of organisation and methods of teaching. Based on enquiries in sixty schools in Kent and covering 8,000 children learning to read English as their mother tongue. Notable for thoroughness of research techniques.

Which writing style should I use in the annotations?

The most important thing to understand is that entries should be brief.

Only directly significant details will be mentioned and any information apparent in the title can be omitted from the annotation.

In addition, background materials and references to previous work by the same author usually are not included.

Listed below are three writing styles used in annotated bibliographies. Click on a link to see examples of each.

Telegraphic

(phrases, non-sentences)

Get the information out, quickly and concisely. Be clear, but complete and grammatically correct sentences are unnecessary.

Telegraphic (phrases, non-sentences) Vowles, Richard B. (1962). Psychology and drama: A selected checklist. Wisconsin Studies in Contemporary Literature, 3,(1), 35-48. Divided by individual authors. Reviews the research between 1920 and 1961. (Bell and Gallup, 1971, p. 68)

Complete sentences

In this style you must always use complete sentences.

The length of the sentences varies. Subjects and conjunctions are not eliminated even though the tone may be terse. Avoid long and complex sentences.

Complete sentences Kinter, W. R., and R L. Pfaltzgraff. (1972). Assessing the Moscow SALT agreements. Orbis, 16, 34l-360. The authors hold the conservative view that SALT can not halt the slipping nuclear advantage of the United States. They conclude that the United States needs a national reassessment of defense policy. They further conclude that the only utility of SALT is in developing a dialogue with the Soviets. This is a good conservative critique of SALT I. (Strenski and Manfred, 1981, p. 165)

When using this form of annotation, you must write a full, coherent paragraph.

Sometimes this can be similar to the form of a bibliographic essay. It goes without saying that you need to use complete sentences.

Paragraph (a little more formal) Voeltz, L.M. (1980). Children’s attitudes toward handicapped peers. American Journal of Mental Deficiency, 84, 455-464. As services for severely handicapped children become increasingly available within neighborhood public schools, children’s attitudes toward handicapped peers in integrated settings warrant attention. Factor analysis of attitude survey responses of 2,392 children revealed four factors underlying attitudes toward handicapped peers: social- contact willingness, deviance consequation, and two actual contact dimensions. Upper elementary-age children, girls, and children in schools with most contact with severely handicapped peers expressed the most accepting attitudes. Results of this study suggest the modifiability of children’s attitudes and the need to develop interventions to facilitate social acceptance of individual differences in integrated school settings. (Sternlicht and Windholz, 1984, p. 79)

Additional information

If you have additional questions, ask your course instructor or consider scheduling an appointment with a Writing Center instructor.

The Writing Center also has information on different documentation systems, such as MLA, APA, Chicago/Turabian, CBE, Numbered References, and APSA styles of citation.

If you are using APA documentation, you are in luck! The Writing Center offers a short class called “The Basics of APA Documentation”!

References for examples used

Bell, Inglis F., and Jennifer Gallup. (1971). A reference guide to English, American, and Canadian literature . Vancouver: University of British Columbia Press.

Bizzell, Patricia, and Bruce Herzberg. (1991). Bedford bibliography for teachers of writing . 3rd ed. Boston: Bedford Books of St. Martin’s Press.

Center for Information on Language Teaching and The English Teaching Information Center of the British Council. (1968). A Language-teaching bibliography . Cambridge: Cambridge University Press.

Spatt, Brenda. (1991). Writing from sources . 3rd ed. New York: St. Martin’s Press.

Sternlicht, Manny, and George Windholz. (1984). Social behavior of the mentally retarded. New York and London: Garland Press.

Strenski, Ellen, and Madge Manfred. (1981). The research paper workbook . 2nd ed. New York and London: Longman.

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Introduction

1. Definition

A bibliography is usually thought of as an alphabetical listing of books at the end of a written work (book, book chapter, or article), to which the author referred during the research and writing process. In addition to books, bibliographies can include sources such as articles, reports, interviews, or even non-print resources like Web sites, video or audio recordings. Because they may include such varied resources, bibliographies are also referred to as 'references', 'works cited' or 'works consulted' (the latter can include those titles that merely contributed to research, but were not specifically cited in text). The standard bibliography details the citation information of the consulted sources: author(s), date of publication, title, and publisher's name and location (and for articles: journal title, volume, issue and page numbers). The primary function of bibliographic citations is to assist the reader in finding the sources used in the writing of a work.

To these basic citations, the annotated bibliography adds descriptive and evaluative comments (i.e., an annotation ), assessing the nature and value of the cited works. The addition of commentary provides the future reader or researcher essential critical information and a foundation for further research.

2. Composition

While an annotation can be as short as one sentence, the average entry in an annotated bibliography consists of a work's citation information followed by a short paragraph of three to six sentences, roughly 150 words in length. Similar to the literature review except for the shorter length of its entries, the annotated bibliography is compiled by:

• Considering scope: what types of sources (books, articles, primary documents, Web sites, non-print materials) will be included? how many (a sampling or a comprehensive list)? (Your instructor may set these guidelines)
• Conducting a search for the sources and retrieving them
• Evaluating retrieved sources by reading them and noting your findings and impressions
• Once a final group of sources has been selected, giving full citation data (according to the bibliographic style [e.g., APA, Chicago, MLA] prescribed by your instructor) and writing an annotation for each source; do not list a source more than once

Annotations begin on the line following the citation data and may be composed with complete sentences or as verb phrases (the cited work being understood as the subject)—again at the discretion of the instructor. The annotation should include most, if not all, of the following:

• Explanation of the main purpose and scope of the cited work
• Brief description of the work's format and content
• Theoretical basis and currency of the author's argument
• Author's intellectual/academic credentials
• Work's intended audience
• Value and significance of the work as a contribution to the subject under consideration
• Possible shortcomings or bias in the work
• Any significant special features of the work (e.g., glossary, appendices, particularly good index)
• Your own brief impression of the work

Although these are many of the same features included in a literature review, the emphasis of bibliographic annotation should be on brevity.

Not to be confused with the abstract —which merely gives a summary of the main points of a work—the annotated bibliography always describes and often evaluates those points. Whether an annotated bibliography concludes an article or book—or is even itself a comprehensive, book-length listing of sources—its purposes are the same:

• To illustrate the scope and quality of one's own research
• To review the literature published on a particular topic
• To provide the reader/researcher with supplementary, illustrative or alternative sources
• To allow the reader to see if a particular source was consulted
• To provide examples of the type of resources available on a given topic
• To place original research in a historical context
• Next: Examples >>

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Annotated Bibliography Samples

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Below you will find sample annotations from annotated bibliographies, each with a different research project. Remember that the annotations you include in your own bibliography should reflect your research project and/or the guidelines of your assignment.

As mentioned elsewhere in this resource, depending on the purpose of your bibliography, some annotations may summarize, some may assess or evaluate a source, and some may reflect on the source’s possible uses for the project at hand. Some annotations may address all three of these steps. Consider the purpose of your annotated bibliography and/or your instructor’s directions when deciding how much information to include in your annotations.

Please keep in mind that all your text, including the write-up beneath the citation, must be indented so that the author's last name is the only text that is flush left.

Sample MLA Annotation

Lamott, Anne. Bird by Bird: Some Instructions on Writing and Life . Anchor Books, 1995.

Lamott's book offers honest advice on the nature of a writing life, complete with its insecurities and failures. Taking a humorous approach to the realities of being a writer, the chapters in Lamott's book are wry and anecdotal and offer advice on everything from plot development to jealousy, from perfectionism to struggling with one's own internal critic.

In the process, Lamott includes writing exercises designed to be both productive and fun. Lamott offers sane advice for those struggling with the anxieties of writing, but her main project seems to be offering the reader a reality check regarding writing, publishing, and struggling with one's own imperfect humanity in the process. Rather than a practical handbook to producing and/or publishing, this text is indispensable because of its honest perspective, its down-to-earth humor, and its encouraging approach.

Chapters in this text could easily be included in the curriculum for a writing class. Several of the chapters in Part 1 address the writing process and would serve to generate discussion on students' own drafting and revising processes. Some of the writing exercises would also be appropriate for generating classroom writing exercises. Students should find Lamott's style both engaging and enjoyable.

In the sample annotation above, the writer includes three paragraphs: a summary, an evaluation of the text, and a reflection on its applicability to his/her own research, respectively.

For information on formatting MLA citations, see our MLA 9th Edition (2021) Formatting and Style Guide .

Sample APA Annotation

Ehrenreich, B. (2001). Nickel and dimed: On (not) getting by in America . Henry Holt and Company.

In this book of nonfiction based on the journalist's experiential research, Ehrenreich attempts to ascertain whether it is currently possible for an individual to live on a minimum-wage in America. Taking jobs as a waitress, a maid in a cleaning service, and a Walmart sales employee, the author summarizes and reflects on her work, her relationships with fellow workers, and her financial struggles in each situation.

An experienced journalist, Ehrenreich is aware of the limitations of her experiment and the ethical implications of her experiential research tactics and reflects on these issues in the text. The author is forthcoming about her methods and supplements her experiences with scholarly research on her places of employment, the economy, and the rising cost of living in America. Ehrenreich’s project is timely, descriptive, and well-researched.

The annotation above both summarizes and assesses the book in the citation. The first paragraph provides a brief summary of the author's project in the book, covering the main points of the work. The second paragraph points out the project’s strengths and evaluates its methods and presentation. This particular annotation does not reflect on the source’s potential importance or usefulness for this person’s own research.

For information on formatting APA citations, see our APA Formatting and Style Guide .

Sample Chicago Manual of Style Annotation

Davidson, Hilda Ellis. Roles of the Northern Goddess . London: Routledge, 1998.

Davidson's book provides a thorough examination of the major roles filled by the numerous pagan goddesses of Northern Europe in everyday life, including their roles in hunting, agriculture, domestic arts like weaving, the household, and death. The author discusses relevant archaeological evidence, patterns of symbol and ritual, and previous research. The book includes a number of black and white photographs of relevant artifacts.

This annotation includes only one paragraph, a summary of the book. It provides a concise description of the project and the book's project and its major features.

For information on formatting Chicago Style citations, see our Chicago Manual of Style resources.

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Annotated Bibliography

What is an annotated bibliography.

An annotated bibliography provides an overview or a brief account of the available research on a given topic. It is a list of research sources that takes the form of a citation for each source, followed by an annotation - a short paragraph sumarising and evaluating the source. An annotated bibliography may be a stand-alone assignment or a component of a larger assignment. 

Purpose of an annotated bibliography

When set as an assignment, an annotated bibliography allows you to get acquainted with the material available on a particular topic.

Depending on your specific assignment, an annotated bibliography might:

• review the literature of a particular subject;
• demonstrate the quality and depth of reading that you have done;
• exemplify the scope of sources available—such as journals, books, web sites and magazine articles;
• highlight sources that may be of interest to other readers and researchers;
• explore and organise sources for further research.

What does an annotated bibliography look like?

Each entry in an annotated biliography has two components: 

• a bibliographic citation followed by 
• a short paragraph (an annotation) that includes concise descriptions and evaluations of each source. 

The annotation usually contains a brief summary of content and a short analysis or evaluation. Depending on your assignment you may be asked to summarise, reflect on, critique, evaluate or analyse each source. While an annotation can be as brief as one sentence, a paragraph is more usual.  An example is provided below.

As with a normal reference list or bibliography, an annotated bibliography is usually arranged alphabetically according to the author’s last name.

An annotated bibliography summary should be about 100 - 200 words per citation—check with your lecturer/tutor as this may vary between faculties and assessments. Please also check with your lecturer about the elements each annotation should include.

Steps to writing an annotated bibliography

• Choose your sources - locate and record citations to sources of research that may contain useful information and ideas on your topic.
• Review the items that you’ve collected in your search.
• Write the citation using the correct style.
• Write the annotation. 

Questions to consider when selecting sources

The sources for your annotated bibliography should be carefully selected. Start by reading abstracts or skimming to help you identify and select relevant sources. Also keep in mind that, while annotated bibliographies are often ‘stand alone’ assignments, they can also be preliminary research about a particular topic or issue, and further research or a longer literature review may follow. Try to choose sources which together will present a comprehensive review of the topic.

Keep the following questions in mind to help clarify your choices

• What topic/ problem am I investigating?
• What question(s) am I exploring? (Identify the aim of your literature research). 
• What kind of material am I looking at and why? Am I looking for journal articles, reports, policies or primary data? 
• Am I being judicious in my selection of sources? Does each one relate to my research topic and assignment requirements?
• Have I selected a range of sources? Choose those sources that provide a variety of perspectives on your topic
• What are the essential or key works about my topic? Am I finding them? Are the sources valuable or often referred to in other sources?

Surveying the sources

Take notes on your selected texts as you read. Pay attention to:

• the author’s theoretical approach.
• which parts of the topic are covered.
• main points or findings on the topic.
• the author’s position or argument. 

Evaluate and ask questions as you read

Record evaluations in your notes and consider:

• How, and how effectively, does this source address the topic?
• Does it cover the topic thoroughly or only one aspect of it?
• Do the research methods seem appropriate?
• Does the argument seem reasonable?
• Where does it stand in relation to other studies? Agree with or contradict?

How should I write the annotations?

• Each annotation should be concise. Do not write too much—annotations should not extend beyond one paragraph (unless assignment guidelines say otherwise). 
• The summary should be a brief outline of argument(s) and main ideas. Only mention details that are significant or relevant, and only when necessary. 
• Any information apparent in the title of thesourcel can be omitted from the annotation.
• Background materials and references to previous work by the same author usually are not included. As you are addressing one text at a time, there is no need to cross reference or use in-text citations to support your annotation.
• Find out what referencing style you need to use for the bibliographic citations, and use it consistently.
• In-text citations would usually only be necessary for quotations or to draw attention to information from specific pages.
• Unless otherwise stipulated, you should write in full sentences using academic vocabulary.

Contents of an annotated bibliography

An annotation may contain all or part of the following elements depending on the word limit and the content of the sources you are examining.

• Provide the full bibliographic citation.
• Indicate the background of the author(s).
• Indicate the content or scope of the text.
• Outline the main argument.
• Indicate the intended audience.
• Identify the research methods if applicable.
• Identify any conclusions made by the author/s.
• Discuss the reliability of the text.
• Highlight any special features of the text that were unique or helpful e.g. charts, graphs etc.
• Discuss the relevance or usefulness of the text for your research.
• Point out in what way the text relates to themes or concepts in your course.
• State the strengths and limitations of the text.
• Present your view or reaction to the text.

Sample annotation 

The citation goes first and is followed by the annotation. Make sure that you follow your faculty’s preferred citation style. The summary needs to be concise. Please note the following example is entirely fictitious.

In the sample annotation below, each element is numbered (see Key).

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What is an annotated bibliography [Updated 2023]

Annotated bibliographies are often assigned in high school and college writing classes. In this blog post, we discuss what an annotated bibliography is and how to write one.

What is an annotated bibliography?

A annotated bibliography is a list of citations for books, journals, periodicals, websites, articles, or other sources, accompanied by a descriptive paragraph that summarizes and evaluates each source. This descriptive paragraph is called an  annotation .

Descriptive paragraphs typically range between 100 and 300 words. Ultimately, an annotation informs the reader about the source's accuracy, quality, and relevance to your research.

Annotated bibliographies can form part of a larger project or they may be assigned as a single activity to help you learn how to evaluate credible sources .

How to write an annotated bibliography

In this section, we break down how to write an annotated bibliography into multiple steps. Before you get started, you should always carefully read your assignment guidelines to understand what your instructor expects.

1. Find your sources

Most likely, your instructor will expect you to use peer-reviewed sources for your annotated bibliography. You can search for peer-reviewed materials in an academic database or via Google Scholar . If you need help finding sources, ask your instructor or make an appointment with a librarian who can help you navigate academic databases.

2. Evaluate your sources

Once you’ve found some materials, you’ll need to evaluate them to ensure that they are credible sources . There are different types of academic sources , but there are evaluation methods that apply to any source type.

You can use the CRAAP test to evaluate whether a source is credible or not. CRAAP stands for: currency, relevance, authority, accuracy, and purpose.

To establish a source’s currency and relevance, pay attention to when it was published. Articles in the sciences that were published 20 years ago are likely not current or relevant. Also, is the source relevant to your research?

Authority refers to both the authors’ credentials and the place where the resource was found. Peer-reviewed works will typically list an author’s affiliation or job title. If you found the source in one of the library’s databases, then it’s most likely authoritative. If not, consider details like the URL (does it contain .org, .edu, .gov, etc?).

To investigate a text’s accuracy, review its content. Does the source have references? Is the tone of the work objective, or is it biased? Are the work’s claims backed up by evidence? If it’s been peer-reviewed or refereed, then the accuracy has already been vetted by experts. Finally, consider the purpose of the work. Is the purpose to sell you something? To inform or persuade? Is it an opinion piece?

You can use the following CRAAP checklist for each source to determine its credibility:

🔲  Currency : When was the source published?

🔲  Relevance: I s the source relevant to your research? Does it make feasible arguments or claims?

🔲  Authority: Who wrote the source? Where did you find it?

🔲  Accuracy: Does the source have references? Is the tone objective or biased? Is it peer-reviewed?

🔲  Purpose: What is the purpose of the source, to inform or persuade? To sell you something?

3. Read your sources

After you’ve evaluated your sources, you need to take some time to read each one. Don’t just skim the contents; read each source carefully and take good notes. You’ll be able to use those notes when you write your annotations.

4. Create your citations

After you’ve read your sources, it’s a good idea to go ahead and create an accurate citation for each one. The citation style that you use will depend on your instructor’s specific guidelines, but you will most likely use MLA, APA, Harvard, or Chicago style.

Save time by using a citation generator like BibGuru to create the citations for each source. The citation should precede the annotation itself.

5. Write your annotations

Next, you should write out the first draft of your annotations. These descriptive paragraphs summarize the main argument of the source, evaluate its credibility, and discuss how the source is relevant to your larger project or to a specific research field.

Annotations are typically between 100 and 300 words. In the next section, we feature an example citation and annotation for a scholarly source. Depending on the word limit, you might include:

• A summary of the source
• A brief description of the source’s main argument(s)
• A discussion of the source’s credibility and its relationship to other works in the field
• A brief examination of the source’s limitations
• A short discussion of how you might use the source in a research paper or larger project

6. Format your bibliography

The formatting of your annotated bibliography will largely depend on the citation style that you’re using. However, annotated bibliographies typically follow the formatting conventions of other forms of academic writing:

• The use of a readable font like Times New Roman (Note: APA has specific font requirements.)
• An acceptable font size, usually 11- or 12-point
• Double-spacing throughout
• Second, and subsequent, lines of bibliographic citations should be indented
• New paragraphs should be indented

7. Proofread and revise

Finally, you’ll want to proofread and revise your annotated bibliography before you turn it in. Take a close look at the citations you created and read over each annotation, looking for grammatical and stylistic errors. Consult citation guides or the Purdue Online Writing Lab (OWL) if you have further questions about citation formatting.

Example annotation for an annotated bibliography

This example features an MLA citation and a one-paragraph annotation:

Davidson, Hilda Ellis. Roles of the Northern Goddess. Routledge, 1998.

Davidson's book provides a thorough examination of Northern Europe's major roles associated with several pagan goddesses. Some roles in everyday life include agriculture, hunting, domestic art like weaving, and death. In this book, the author discusses relevant archaeological evidence, previous research, and patterns of rituals and symbols. The book includes several photographs of relevant artifacts.

This annotation from Purdue University’s  Online Writing Lab (OWL) is a single paragraph summarizing a book. In a longer annotation, you would evaluate the source’s credibility and relevance, in addition to summarizing it.

Tips for annotated bibliographies

Here are some tips to help you write a solid annotated bibliography:

Meet with a librarian before you start

Before you start finding the sources for your annotated bibliography, consider meeting with a librarian who can help you with your research. College and school librarians can assist you with generating keywords, using academic databases, and evaluating the credibility of sources.

Read your sources carefully

In order to write a quality annotation, you need to carefully read each scholarly source. As you read, take note of the elements that you’d like to include in your annotation. To learn more about how to read research, take a look at our guide on how to read a scholarly source .

Use a reputable citation generator for your citations

To save time on creating citations for your annotated bibliography, use an accurate citation generator like BibGuru. BibGuru can automatically generate citations for scholarly sources in MLA , APA , Chicago , and other major citation styles.

Use clear, concise, and correct language in your annotations

When you write your annotations, be sure to use clear, concise, and correct language. Since most annotations will only be 1-2 paragraphs, you’ll need to be especially concise in your summary and evaluation.

Ask a friend, family member, or classmate to read over your final draft

To ensure that you’ve followed the assignment guidelines for your annotated bibliography and that your annotations and citations are correct, ask a friend, classmate, or family member to read over your work. This will help you catch any errors before you submit your annotated bibliography.

Frequently Asked Questions about annotated bibliographies

You write an annotated bibliography by following these steps:

• Find your sources.
• Evaluate your sources.
• Read your sources.
• Create your citations.
• Write your annotations.
• Format your bibliography.
• Proofread and revise.

An annotated bibliography contains full bibliographic citations for sources along with an annotation for each source that summarizes and evaluates it.

Although the overall format of an annotated bibliography will depend on which citation style you use, most will feature citations followed by annotations. In other words, for each source, you write out the full bibliographic citation and then, below that, the annotation.

The length of your annotated bibliography will depend on the assignment guidelines. Many annotated bibliography assignments ask you to examine around 8-10 sources. Annotations are typically between 100 and 300 words.

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How to Write an Annotated Bibliography

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Annotated Bibliography Examples

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Employment Research in Brief: An Annotated Bibliography of ETA- and CEO-Sponsored Studies 2012–2016

Publication info, research methodology, country, state or territory, description, other products.

The U.S. Department of Labor (DOL) Employment and Training Administration (ETA) sponsors numerous research studies, evaluations, pilots, and demonstrations on a broad range of topics relevant to the agency’s mission. This annotated bibliography provides abstracts of impact evaluations and other systematic analyses funded by ETA and published on ETA’s Research Publication Database or DOL’s Chief Evaluation Office research page from 2012 through June 2016, as selected by researchers from Mathematica Policy Research with guidance from ETA staff. The summarized publications include research, evaluation, and demonstration reports, as well as other papers and sets of policy recommendations. Each abstract provides a brief overview of the intervention studied, the type of research, data sources, analytical methods, and findings. These publications were not reviewed for quality or strength of design, and their inclusion in this bibliography does not imply any endorsement of their design, methods, or content by ETA or Mathematica.

This bibliography is organized along eight major topic areas: training programs under the Workforce Investment Act (WIA); training programs other than WIA; services to military personnel, veterans, or military spouses; population-specific programs; trade adjustment assistance; unemployment insurance; labor market information (LMI); and regional economic development. Within some topics, publications are categorized under more specific sub-topic headings. Publications related to more than one topic are summarized in the section where they are most relevant. For publications that do not cover a specific program area or grant program, the annotated bibliography classifies them according to the most relevant topic area and describes the logic for its inclusion in the topic summary.