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How to cite in APA when there are multiple authors

This article covers how to cite a reference in APA style (7th ed.) when there are multiple authors. Broadly speaking, in an APA style “the author” refers to the person(s) or group(s) who should be given credit for the work being referenced.

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

In-text citations when there are multiple authors

Reference list entries when there are multiple authors, troubleshooting.

APA 7th ed. uses the author-date citation system for citing references in text. Unless you are citing a source with no author in APA , the structure in parenthetical citations includes placing the author’s last name/surname, followed by a comma, and the publication year in parentheses. In narrative citations, this information is incorporated into the sentence.

Parenthetical citation for one author:

(Author Last Name, Year Published)

(Curtis, 2020)

Narrative citation for one author:

Author Last Name (Year Published)

Curtis (2020)

Two authors

For a work with two authors, include both authors’ last names in every in-text citation, whether narrative or parenthetical. In parenthetical citations, use an ampersand (&) between the authors’ last names.

Parenthetical citation for two authors:

(1st Author & 2nd Author, Year Published)

(Curtis & Williams, 2020)

Narrative citation for two authors:

1st Author & 2nd Author (Year Published)

Curtis & Williams (2020)

Three or more authors

When citing a journal paper in APA with three or more authors, only enter the last name of the first author listed and add “et al.” after it. “Et al.” is Latin for the phrase “and others,” which is why it is used as a substitute for two or more authors’ last names.

Parenthetical citation for three or more authors:

(1st Author et al., Year Published)

(Harris et al., 2020)

Narrative citation for three or more authors:

1st Author et al. (Year Published)

Harris et al. (2020)

Here is a page with more information on when to use “et al.” in APA style .

Group authors

The same guidelines for in-text citations apply when the authors of a source are a distinct group or organization such as a government agency, association, nonprofit organization, business, hospital, task force, or study group. To confirm whether a reference was written by individual author(s) or a group, check the cover or title page.

Hint: for an online resource, the author could be the name of the organization hosting the webpage or website, rather than the name of just one content contributor.

Before using an abbreviated group name as the author of your citation, spell out the abbreviation and define the group one time first in the text. Afterward, use the abbreviation of the group name throughout the rest of the paper.

Group author in-text citation examples:

First parenthetical citation with group abbreviation included: (Association of Jesuit Colleges and Universities [AJCU], 2020)

Subsequent parenthetical citations: (AJCU, 2020)

First narrative citation with group abbreviation included: The Association of Jesuit Colleges and Universities [AJCU] (2020)

Subsequent narrative citations: The AJCU (2020)

Avoiding ambiguity in in-text citations

Sometimes, in-text citations that have three or more authors, some of whom have the same last name, and the same publication year can look like they are the same reference when using the et al. abbreviation. For example, Curtis et al. (2020) could refer to

Curtis, Acres, Thomas, Henderson, and Tyler (2020)

Curtis, Acres, Thomas, Henderson, Maxey, Key, Smith, and Esparza (2020)

To avoid this ambiguity and confusion for the reader, write out as many names as possible for the in-text citation until the references are distinguished, and then add “et. al” to abbreviate the other authors’ names.

Curtis, Acres, Thomas, Henderson, et al. (2020)

Curtis, Acres, Thomas, Henderson, Maxey, et al. (2020)

When only the final author is different, list all of the names in every citation to avoid any confusion.

Curtis, Acres, Thomas, Henderson, and Esparza (2020)

APA has slightly different reference structures for different source types (e.g., book, website, journal article, etc.), but each structure generally includes the following:

Author last name, Author initials. (Date Published). Title. URL or DOI if available .

Need more help with citing a particular source? Find further guidance in this APA citations guide.

One or two authors

For references with one or two authors, cite using the four-part structure.

Two individual authors example:

Smith, J., & Jones, S. (1994). Making a movie star. Behind the Scenes Stories: A Journal of Celebrity Life, 44 (2), 192–200. https://doi.org/l4nds0r

One group author example:

The American Marine Society. (2003). Whale mating patterns in the new millennium. The American Marine Society Magazine , 17-20 . https://fams.gov/article/2003/whale-mating-patterns-in-the-new-millennium

2 – 20 authors

In APA 7th ed., up to 20 authors should be included in a reference list entry. Write out the last name and first initial(s) for each contributor.

2–20 authors example:

Wright, A., Komal, G., Siddharth, D., Boyd, G., Cayson, N., Beverley, K., Travers, K., Begum, A., Redmond, M., Mills, M., Cherry, D., Finley, B., Fox, M., Ferry, F., Almond, B., Howell, E., Gould, T., Berger, B., Bostock, T., Fountain, A. (2020). Styling royalty. London Bridge Press.

21+ authors

For references with more than 20 authors, after listing the 19th author replace any additional author names with an ellipsis ( … ) followed by the final listed author’s last name and first initial(s).

21+ authors example:

Wright, A., Komal, G., Siddharth, D., Boyd, G., Cayson, N., Beverley, K., Travers, K., Begum, A., Redmond, M., Mills, M., Cherry, D., Finley, B., Fox, M., Ferry, F., Almond, B., Howell, E., Gould, T., Berger, B., Bostock, T., . . . Booker, T. (2020). Eating well: Tips from 23 lifestyle authors. Food Magazine. https://foodmag.com/article/2020/tips-from-22-lifestyle-authors

Solution #1: How to order the names of multiple authors in an APA reference

Authors should be cited in the exact order that they are listed by the source, even if they have not been listed alphabetically.

Solution #2: How to cite an article with more than 20 authors in APA style

If an article has more than 20 authors, all authors do not need to be listed in the reference. Instead, name the first 19, then use an ellipsis (…), then add the name of the final author listed. The ellipsis acts as a substitute for all the names between the first 19 and the final authors. No ampersand (&) is needed before the final name.

For example:

Richards, B.A., Lillicrap, T. P., Beaudoin, P., Bengio, Y., Bogacz, R., Christensen, A., Clopath, C.

Costa, R. P., de Berker, A., Ganguli, S., Gillon, C. J., Hafner, D., Kepecs, A., Kriegeskorte,

N., Latham, P., Lindsay, G. W., Miller, K. D., Naud, R., Pack, C. C., … Kording, K. P. (2019). A deep learning framework for neuroscience. Nature Neuroscience ,  22 (11), 1761–1770. https://doi.org/10.1038/s41593-019-0520-2

When making an in-text citation, only write the first author’s last name followed by “et. al.” This applies to both parenthetical and narrative citations.

(Richard et al., 2019)

Richard et al. (2019)

Solution #3: How to cite an article written by an organization in APA style

• Organization as author

When an article is written by an organization, use the typical four-part APA structure (author, date, title, publisher) and cite the organization as the author.

American Nurses Association. (2019). 2018 Annual Report, American Nurse Today, 14 (6), 29-36.

https://www.nursingworld.org/~49d621/globalassets/docs/ana/ana-annual-report-for-

• Organization as author and publisher

If the organization that authored an article is also its publisher , omit the publisher’s name in the citation.

• In-text citation when an organization is an author

Use the organization’s name as the author. For example:

American Nurses Association [ANA] (2019)

If an organization’s name is long, abbreviate it by doing the following:

• First, write the organization’s name in full the first time, followed by the abbreviation in parenthesis.
• After this, you may use the abbreviation without including the complete name.

1 st in-text narrative citation: American Nurses Association [ANA] (2019)

1 st in-text parenthetical citation: (American Nurses Association [ANA] (2019)

After this distinction is made, abbreviations in-text can be used as demonstrated below:

Narrative citations: The ANA (2019)

Parenthetical citations: (ANA, 2019)

Published October 28, 2020.

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To cite a source with multiple authors and an edition number in APA style, you need to know the names of the authors, title of the book, edition number, and publisher. The in-text citation of a book with multiple authors and an edition number is similar to citing a journal or a book reference with multiple authors. An example of a book reference with three authors and an edition number, along with a template, is given below:

In-text citation template and example:

Author Surname et al. (Publication Year)

LeBuffe et al. (2012)

Parenthetical

(Author Surname et al., Publication Year)

(LeBuffe et al., 2012)

Reference list entry template and example:

Author Surname, F. M., Author Surname, F. M., & Author Surname, F. M. (Publication Year). Book title (edition number). Publisher

LeBuffe, P. A., Naglieri, J. A., & Manderth, A. (2012). Devereux early childhood assessment for preschoolers (2nd ed.). Kaplan Early Learning Company.

Use numerals to indicate an edition number. The word “edition” is abbreviated as “ed.” Italicize the book title and follow sentence case for capitalization.

Citing a source that has multiple authors with the same last name and same initials is the same as citing a source with different authors. There is no need to add the initials of the authors in in-text citations as all surnames (although the same) appear in a single source. Examples of a book reference with three authors with the same last name and initials and their templates are given below:

Dunn et al. (2007)

(Dunn et al., 2007)

Author Surname, F. & Author Surname, F. (Publication Year). Book title. Publisher.

Dunn, L. M., Dunn, L. M., & Dunn, L. M. (2007). Peabody picture vocabulary test-IV. American Guidance Service.

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APA 7th Edition Citation Guide Multiple Authors

Source with two authors.

Rules for citing more than one author apply to all sources, regardless of format. Below is an example of a book with two authors.

Use the word "and" between the authors' names within the text and use an ampersand (&) for parenthetical citations.

Reference Page Format:

Author, A. A., & Author, B. B. (Year of Publication). Format the remainder according to resource type.

Reference Page Example:

Loveless, D., & Griffith, B. (2014).  Critical pedagogy for a polymodal world . Birkhäuser.

In-text Citation Examples:

According to Loveless and Griffith (2014) ... ...(Loveless & Griffith, 2014). ...(Loveless & Griffith, 2014, p. 121).

Source with Three to Twenty Authors

For all sources with three to twenty authors, include all of the authors on your References page. 

For in-text citations, sources with three or more authors can be abbreviated to only the first author's last name followed by "et al." For example, (Author et al., Year).

Author, A. A., Author, B. B., Author, C. C. (Year of Publication).  Format the remainder according to resource type .

Somerville, I., Purcell, A., & Morrison, F. (2011). Public relations education in a divided society: PR, terrorism and critical pedagogy in post-conflict Northern Ireland.  Public Relations Review, 37 (5), 548-555. https://doi.org/10.1016/j.pubrev.2011.09.008

According to Somerville et al. (2011) ... ... (Somerville et al., 2011). ... (Somerville et al., 2011, p. 549).

Source with Twenty-One or More Authors

For sources with twenty-one or more authors, write out the first twenty authors on the References page, add an ellipsis (...), and end with the last author. 

For in-text citations, sources with more than twenty authors can be abbreviated to only the first author's last name followed by "et al." For example, (Author et al., Year).

Author, A. A., Author, B. B., Author, C. C., Author, D. D., Author, E. E., Author, F. F., Author, G. G., Author, H. H., Author, I. I., Author, J. J., Author, K. K., Author, L. L., Author, M. M., Author, N. N., Author, O. O., Author, P. P., Author, Q. Q., Author, R. R., Author, S. S., Author, T. T., . . . Author, Z. Z. (Year of Publication).  Format the remainder according to resource type .

Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adamczyk, L., Adams, D. L., Adelman, J., Adomeit, S., Adye, T., Affolder, A. A., Agatonovic-Jovin, T., Aguilar-Saavedra, J. A., Alen, S. P., . . . Woods, N. (2015). Combined measurement of the Higgs boson mass in pp collisions at √s=7 and 8 TeV with the ATLAS and CMS experiments.  Physical Review Letters, 114 (19), 1-33. https://doi.org/10.1103/PhysRevLett.114.191803

According to Aad et al. (2015) ... ... (Aad et al., 2015). ... (Aad et al., 2015, p. 20).

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APA Formatting and Style (7th ed.) for Student Papers

• What's New in the 7th ed.?
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Citations with Three or More Authors

• For works that have three or more authors, list the first author followed by “et al.” (meaning “and others”) Examples: (Connell et al., 2014) Researchers Connell et al. (2015) found . . .

Researchers Connell et al. (2015) point out that one of the purposes of advertising is “framing consumer decisions by directing attention away from product disadvantages” (p. 130). 

Parenthetical:, one of the purposes of advertising is “framing consumer decisions by directing attention away from product disadvantages” (connell et al., 2015, p. 130). , paraphrase / summary:, researchers connell et al. (2015) point out that one of the purposes of advertising is to distract people from an item’s undesirable qualities when they are considering a purchase. , one of the purposes of advertising is to distract people from an item’s undesirable qualities when they are considering a purchase (connell et al., 2015). , * ** remember: each source listed on the reference page must correspond to at least one in-text citation in the body of the paper; each in-text citation must correspond to a source listed on the reference page..

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APA 7th Edition Citation Guide

• APA 7th Edition Home
• Formatting the Paper Itself
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In-Text: Multiple Authors

• In-Text: First and Subsequent Citations
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• Step 1: Author (Names)
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This citation guide is based on The Publication Manual of the American Psychological Association  (7th ed., 2020). The contents are accurate to the best of our knowledge.

Content in this guide was copied with permission from Bethel University (TN) Library .

How to Use This Guide

Citations in APA style include two parts: (1) in-text citations, which are connected to (2) reference list citations.

This guide will help you create in-text citations that correlate with the corresponding reference list citations. Please see Reference Examples  for more details on the reference list.

Note: All sources that are cited in the text must appear in the reference list at the end of the paper except for Personal Communications and similar unrecoverable sources.

Multiple Authors

If you are citing a source that has multiple authors, follow these basic steps.

Two Authors

Always cite both authors' names in-text every time you reference them.

Johnson and Smith (2009) found...

Three or More Authors

If a document has three or more authors, simply provide the last name of the first author with "et al." from the first citation to the last.

Thomas et al. (2007) likened abnormal psychology to...

... distractions (Thomas et al., 2007).

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APA (7th Edition) Referencing Guide

• Information for EndNote Users

Number of authors

Format of authors, order of authors, when the author isn't a person, no author or anonymous, who's the author.

• In-Text Citations
• Reference List
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• Book chapters
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• How many authors do you have?
• 1-2 Authors
• 3-20 authors
• More than 20 authors

How many authors?

APA has strict rules for how to show the author's names in the text of your assignment and in your reference list. You need to check the number of authors you have for your work, and then format your references accordingly:

• 1-2 authors

See the tabs on this box for details.

Things to Note:

Pay attention to the use of commas, the ampersand (&), and the word "and".

• You use the word "and" when you are using the author's names as part of your sentence, but an "&" when the names are in the brackets or the reference list.
• In text, you will always use a comma after each author (except the last one) when you have more than two names. In your reference list, you put a comma after each author (except the last one).

You always put a full stop after the al. in et al., because it is short for "et alia" ("and others").

For one or two authors , always mention the names of all authors

Narrative citation: Zhang and Webb (2019) noted that students who read bilingual books performed better in vocabulary tests.

Parenthetical citation: Students who read bilingual books may perform better in vocabulary tests ( Zhang & Webb, 2019).

In Your Reference List:

Zhang, Z., & Webb, S. (2019). The effects of reading bilingual books on vocabulary learning. Reading in a Foreign Language, 31 (1), 109–139.  http://nflrc.hawaii.edu/rfl/April2019/April2019/articles/zhang.pdf

When you have 3 or more authors , you only use the first author's surname in text, and abbreviate the rest of the list with "et al." (Latin for "and others"). In your reference list, you list all of the authors (up to 20) .

Narrative citation: Boers et al.'s (2017) research i  nto the use of pictures in glosses found they may decrease the amount of attention given to the words.

Parenthetical citation: Using pictures to illustrate glosses may, in fact, decrease the amount of attention given to the words ( Boers et al. , 2017).

Boers, F., Warren, P., He, L., & Deconinck , J. (2017). Does adding pictures to glosses enhance vocabulary uptake from reading? System, 66, 113-129. https://doi.org/ 10.1016/j.system.2017.03.017

When you have more than 3 authors (regardless of how many) , you only use the first author's surname in text, and abbreviate the rest of the list with "et al.". In your reference list, you list the first 19 authors and the last one, using an ellipses (...) to show that some authors have been omitted (do not use an ampersand &).

Narrative citation: Tobler et al.'s (2017) research found genetic evidence that suggests Australian Aboriginal people have inhabited the Australian landmass for approximately 50,000 years.

Parenthetical citation: Genetic evidence suggests the Australian Aboriginal people have inhabited the Australian landmass for approximately 50,000 years ( Tobler et al. , 2017).

Always include no more than twenty names, the first 19 and the last one:

Tobler , R., Rohrlach , A., Soubrier , J., Bover , P., Llamas, B., Tuke , J., Bean, N., Abdullah-Highfold , A., Agius , S., O'Donoghue , A., O'Loughlin , I., Sutton, P., Zilio , F., Walshe , K., Williams, A. N., Turney , C. S. M., Williams, M., Richards, S. M., Mitchell, N., ... Cooper, A. (2017) . Aboriginal mitogenomes reveal 50,000 years of regionalism in Australia. Nature, 544 (7649), 180-184. https://doi.org/10.1038/nature21416

• Use only initials of author's first or given names within the reference list
• If the author's first name is hyphenated then format as initial, full stop, hyphen and second initial. For example, Jean-Luc Picard is formatted as Picard, J.-L.
• For hyphenated surnames include both names and the hyphen in the reference list and the in text citation. For example: (Jones-Smith, 2015)
• For surnames with multiple parts that do not include a hyphen include both names separated by a space in the reference list and the in text citation. For example: Arce Arias, A. (2017).
• If the surname includes a particle (for example, van, der, den, la, von etc), include the particle before the surname in the reference list and the in text citation. Follow the authors example regarding capitalisation. For example: (van der Woodsen, 2021) (Del Castillo, 2017)
• If the authors name has a suffix, include the suffix after the second initial in the reference list. For example, Jones, H. W., Jr., & Jones, H. W., Sr. (1941) ... Do not include the suffix in the in-text citation

Some points to remember about authors:

• Do not alter the order of the authors within a citation (that is, the first, second, third etc authors of a work). You should leave them in the order they appear on the work.
• Your reference list will be placed in alphabetical order based on the name of the first author for each reference. See the page on Reference list structure for more information about the order of your references.
• (Corbin, 2015; James & Waterson, 2017; Smith et al., 2016).
• (Corbin, 2015; 2018)
• (Queensland Health, 2017a; 2017b)
• Use only the surnames of your authors in text (e.g., Smith & Brown, 2014) - however, if you have two authors with the same surname who have published in the same year, then you will need to use their initials to distinguish between the two of them (e.g., K. Smith, 2014; N. Smith, 2014). Otherwise, do not use initials in text .

Notes on et al.:

"Et al." is short for "et alia" - which means "and others". Note this is plural - "other s " - you only use it when there is more than one "other" (which is why you never use it for a work with two authors - always name both authors). Never use et al. to replace one person.

If you have the same first author and date for two works, but the other authors are not the same for both works, keep listing authors until the citations are clearly different, and then use et al. for the remaining authors.

For example:

Chan, G. C., Leung, J., Quinn, C., Kelly, A. B., Connor, J. P., Weier, M., & Hall, W. D. (2016). Rural and urban differences in adolescent alcohol use, alcohol supply, and parental drinking. The Journal of Rural Health, 32 (3), 280-286. https://doi.org/10.1111/jrh.12151

Chan, G. C., Kelly, A. B., Connor, J. P., Hall, W., Young, R. M., Toumbourou, J. W., & Williams, J. (2016). Regional versus urban differences in teenage alcohol use: Does parental disapproval account for these differences? Australian Journal of Rural Health, 24 (1), 3-8. https://doi.org/10.1111/ajr.12177

If you used both of these works for your paper you would cite them like this:

(Chan, Leung, et al., 2016)

(Chan, Kelly, et al., 2016)

If the first two or three (etc) authors are the same, keep adding authors until they are different.

(Chan, Kelly, Smith, et al., 2016)

(Chan, Kelly, White, et al., 2016)

Remember, you don't use et al. for only one person, so if there were only three authors and you needed to name the first two authors in your in-text citation, you would name all three authors. If you had only four authors, and you had to include the first three authors to make the citation clear, then you would include all four authors.

When this happens, use an & between your last two authors:

(Smith, Jones & Brown, 2016)

(Taylor, Brown, Gwyrdd & Schwarz, 2016)

There are circumstances where you cannot find a person to use as your author because the "author" is a group, a company or an organisation. Some times there is no author, in which case see " No author or anonymous " below.

Is the author a company or organisation?

• Government bodies (such as the Australian Bureau of Statistics or the Department of Education and Training) are often the official "author" of the works they publish.
• Companies are usually the authors of their web pages

Write the company's name in full, the first time you use them, in text, then you can use an acronym. Always write the name in full in the reference list.

For example :

In text, the first time:

Narrative: The American Psychological Association (APA, 2012) noted that...

Parenthetical: The consumer price index is collated by using around a million pricing structures (Australian Bureau of Statistics [ABS], 2018).

In text, subsequent times:

Narrative: As noted by the APA (2012)...

Parenthetical: New weights were used to maximise transaction data (ABS, 2018).

In the reference list:

Do not use acronyms unless the acronym is the official name of the company/organisation - and even then try to find the full version (e.g. CSIRO is Commonwealth Scientific and Industrial Research Organisation). Check the legal information or copyright pages of the organisation's web site.

American Psychiatric Association. (2012). How to write an APA style reference when information is missing . http://blog.apastyle.org/files/missing-pieces---apa-style-reference-table.pdf

Australian Bureau of Statistics. (2018). Consumer price index, Australia, Dec 2017 (No. 6410.0). http://www.abs.gov.au

N.B. Write author names "as is" to the best of your ability. Use their capitalisation, spacing and punctuation. If they use an "and" or and "&" in their name (e.g. Animal and Plant Health Inspection Service) retain the version of "and/&" they have used.

Is there a corporate body (like a government department or a company) who is responsible for the work? They're probably your author. Take a look at " When the Author isn't a person " above.

Is the work anonymous, or without a byline?

• Sometimes newspaper articles and dictionary or encyclopedia entries don't have an author attributed. Editorials in peer reviewed journals may not have a byline. These works are unattributed, but they are not "anonymous".
• Only list the author as "anonymous" if the article/work has been attributed to "Anonymous" or "Anon". If there is no attribution, follow the advice below.

When there is no attributed author, move the title of the article (or encyclopedia entry, etc) to the first position in the reference list. In text, use the title of the document in "quotation marks" where you would use the author's name. For long titles, it is okay to use only the first few words.

Narrative: In the Nature editorial, "On the March" (2017), it was suggested that crowds might be "painted as hostile" (p. 137) by the media.

Parenthetical: During the 2017 presidential inauguration, there were some moments of awkwardness ("Mrs. Obama Says ‘Lovely Frame’", 2018).

Please note: In text, the title of the article is given title case - that is, major words are capitalised. You do not use title case in the reference list.

On the march. (2017). Nature, 554 , 137. https://www.nature.com/articles/544137a.pdf

Mrs. Obama says ‘lovely frame’ in box during awkward handoff. (2018, February 1). AP News . https://www.apnews.com/31f3520500c94a6ebfdbd2a0db5f4b60

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APA Citation Guide, 7th edition: Three to Five Authors or Editors

• General Guidelines
• One Author or Editor
• Two Authors or Editors
• Three to Five Authors or Editors
• Article or Chapter in an Edited Book
• Article in a Reference Book
• E-Books, not from a Database
• Edition other than the First
• Translation
• Government Publication
• Journal Article with One Author
• Journal Article with 2 Authors
• Journal Article with 3-20 Authors
• Journal Article 21 or more Authors
• Magazine Article
• Newspaper Article
• Basic Web Page
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• Motion Picture
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• Lecture/PPT
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• Avoiding Plagiarism

About Citing Books

For each type of source in this guide, both the general form and an example will be provided.

The following format will be used:

In-Text Citation (Paraphrase) - entry that appears in the body of your paper when you express the ideas of a researcher or author using your own words.  For more tips on paraphrasing check out The OWL at Purdue .

In-Text Citation (Quotation) - entry that appears in the body of your paper after a direct quote.

References - entry that appears at the end of your paper.

Information on citing and several of the examples were drawn from the Publication Manual of the American Psychological Association  (7th ed.).

Numbers in parentheses refer to specific pages in the manual.

Book with Three to Five Authors or Editors (pp. 286, 321-322)

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APA Citation Style, 7th edition: General Style Guidelines

• General Style Guidelines
• One Author or Editor
• Two Authors or Editors
• Three to Five Authors or Editors
• Article or Chapter in an Edited Book
• Article in a Reference Book
• Edition other than the First
• Translation
• Government Publication
• Journal Article with 1 Author
• Journal Article with 2 Authors
• Journal Article with 3–20 Authors
• Journal Article 21 or more Authors
• Magazine Article
• Newspaper Article
• Basic Web Page
• Web page from a University site
• Web Page with No Author
• Entry in a Reference Work
• Government Document
• Film and Television
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• Audio Podcast
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• Avoiding Plagiarism
• Formatting Your Paper

General Guidelines for Writing a Paper: APA Style

• All sources of information and data, whether quoted directly or paraphrased, are cited with parenthetical references in the text of your paper .

       Example: ( Walker , 2003).

• Double-space your entire paper, including the References list and any block quotes .

Citations In Text

How to Cite a Direct Quote

How to Cite Summaries or Paraphrases

Even if you put information in your own words by summarizing or paraphrasing, you must cite the original author or researcher and the date of publication. You are also encouraged to provide a page or paragraph number; check with your instructor to see if page numbers are required.

For example, a paraphrase of Gibaldi’s earlier quotation might be identified as follows:

Within the research paper, quotations will have more impact when used judiciously (Gibaldi, 2003, p. 109).

 You may want to check out  The Owl at Purdue for more tips on paraphrasing.

How to Cite Sources when the Primary Authors have the same Surname

How to Cite Works with the Same Author and Same Date

How to Cite Different Numbers of Authors  

How to Cite Information When You Have Not Seen the Original Source

How to Cite when you are Altering a Direct Quote

Creating a Reference List

Start the Reference list on a new page and include the word "References" in uppercase and lowercase centered.

The References list should be double-spaced. Each entry should be formatted with a hanging indent.

References cited in text must appear in the References list and vice versa. The only exceptions to this rule are personal communications and classical works; they are cited in text only and are not included in the References list.

Use  ONLY the initial(s) of the author’s given name,  NOT the full name.

If the References list includes 2 or more entries by the same author(s), list them in chronological order with the earliest first.

 If the author’s name is unavailable, use the first few words of the title of the article, book or Web source, including the appropriate capitalization and italics formatting. E.g. (Scientists Say, 2000).

Arrange References entries in one alphabetical sequence by the surname of the first author or by title or first word if there is no author. Ignore the words A, An, and The when alphabetizing by title.

In titles and subtitles of articles, chapters, and books, capitalize only the first letter of the first word and any proper nouns, except in parenthetical (in text) citations.

Italicize book titles, journal titles, and volume numbers. Do  NOT italicize issue numbers.

Do  NOT include retrieval dates unless the source of the material may change over time such as a blog entry or wikis.

If a  Digital Object Identifier (DOI) is listed on either a print or an electronic source it is included in the reference.  A DOI is a unique alphanumeric string that is used to identify a certain source (typically journal articles).  It is often found on the first page of an article.  Example: http://doi.org/10.1080/14622200410001676305

When the References entry includes a URL that must be divided between two lines, break it  BEFORE a slash or dash or at another logical division point. Do  NOT insert a hyphen if you need to break a URL or a period at the end of the URL. 

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APA Citation Style, 7th Edition: Journal Article with Three or more Authors

• APA 6/7 Comparison Guide
• New & Notable Changes
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• Journal Article with One Author
• Journal Article with Two Authors
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Journal Article- Three+ Authors & with a DOI

References:

Dyer, E., Swartzlander, B. J. & Gugliucci, M. R. (2018). Using virtual reality in medical education to teach empathy.   Journal of the Medical Library Association ,   106 (4), 498-500. http://dx.doi.org/10.1097/ACM.0b013e318299f3e3

In-text Citation (Paraphrase):

(Dyer et al., 2018)

In-text Citation (Direct Quote):

(Dyer et al., 2018, p.498)

Journal Article- Three+ Authors, No DOI (Retrieved From Publisher Website)

Notes: On the example below, the publisher no longer creates a print edition of the journal and articles are assigned an article number. In this example the article number is: e94186. Since the article does not have an official print version page numbers, you have to use another method for direct citations, which generally call for page numbers. APA 7th edition (p. 273) recommends either using paragraph numbers or section names to designate where a direct citation comes from. In the example below, the direct quote came from the Results section of the paper. 

Lee, K., Kreshnik, H., Jeffrey, D. H., & Emmerton, L. M. (2014). Interventions to assist health consumers to find reliable online health information: A comprehensive review.   PLOS ONE, 9 (4) , Article e94186.  https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0094186

( Lee et al. , 2007)

(Lee, et al.,  2007, Results section )

Journal Article- Three+ Authors and not available online (Print Format)

Zionts, N. D., Apter, J., Kuchta, J, & Greenhouse, P. K. (2010). Promoting consumer health literacy: Creation of a health information librarian fellowship.   Reference & User Service Quarterly, 49 (4), 350-359.  

(Zoints  et al., 2010)

(Zoints et al., 2010, p.358)

Carrie Forbes, MLS

Page References

Citation information has been adapted from the APA Manual (7th Edition). Please refer to Chapter 10: Reference Examples, pp. 316-320 for more information. 

Helpful Tips

-Include the DOI in the reference if one is assigned.

-If no DOI is assigned and you retrieved the content online, use the home page URL for the journal in the reference.

-If a reference has up to seven authors, include all the author's names in the reference list. 

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Chat with a librarian is available during Laupus Library's open hours . 

Need to contact a specific librarian? Find your liaison.

Call us: 1-888-820-0522 (toll free)

252-744-2230

Text us: 252-303-2343

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APA Format & Citation Style, 7th edition

• Journal Article with 3 or More Authors
• General Style Guidelines
• One Author or Editor
• Two Authors or Editors
• Three or More Authors or Editors
• Article or Chapter in an Edited Book
• Article in a Reference Book
• Edition other than the First
• Translation
• Government Publication
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• Magazine Article
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• APA Handouts & Guides This link opens in a new window

Journal Article with Three or More Authors

General Format

In-Text Citation (Paraphrase):

(Author Surname et al., Year).

In-Text Citation (Quotation):

(Author Surname et al., Year, page number).

References:

Surnames and initials for  up to twenty authors  should be provided in the reference list.  For more than 20 authors, list the first 19, followed by an ellipses, then list the final author.

Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., & Author Surname, First Initial. Second Initial. (Year). Article title: Subtitle.  Journal Title, Volume (issue), page range. http://doi.org/xx.xxxxxxxxxx [if available]  OR  [nothing - if in an online database and does not have a doi]  OR  URL to document on website if readers can access.

(Yonkers et al., 2001, p. 1859)

Written within the sentence:

Yonkers et al. (2001) argued " . . . " (p.1859).

Yonkers, K. A., Ramin, S. M., Rush, A. J., Navarrete, C. A., Carmody, T., March, D., Heartwell, S., & Leveno, K. J. (2001). Onset and persistence of postpartum depression in an inner-city maternal health clinic system.  American Journal of Psychiatry, 158 (11), 1856-1863. http://doi.org/10.1176/appi.ajp.158.11.1856

Helpful Tips:

DOI:  If a journal article has a  Digital Object Identifier (DOI)  listed, you will always include this identifier in your reference  as a URL . You will not have to include a different URL or the database from which you retrieved the article if a DOI is available.  Include a DOI for all works that have a DOI, regardless of whether you used the online version or the print version.

Online Database:  If you viewed a journal article in an  online database  and it does not have a DOI, the reference should be the same as the reference for a print version of the work. In other words, nothing after the page numbers will appear.

Website/Online:  If an online work (not including academic research databases), provide the URL in the reference (as long as the URL will work for readers).

Print:  If you viewed a journal article in its  print format , be sure to check if it has a DOI listed. If it does not, your reference to the article would end after you provide the page range of the article.

Date:  When possible, include the year, month, and date in references. If the month and date are not available, use the year of publication.

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APA Citation Style 6th Edition: C. Three to Five Authors or Editors

• Quotes & Paraphrasing
• References Guidelines
• Definitions
• A. One Author or Editor
• B. Two Authors or Editors
• C. Three to Five Authors or Editors
• D. Article or Chapter in an Edited Book
• E. Article in a Reference Book
• F. No Author
• H. Edition other than the First
• I. Translation
• J. Government Publication
• A. Journal Article with One Author
• B. Journal Article with 2 Authors
• C. Journal Article with 3-5 Authors
• D. Journal Article with 6 or more authors
• E. Magazine Article
• F. Newspaper Article
• A. Basic Web Page
• B. Website from a University Site
• C. No Author
• D. Blog Post
• E. Entry in a Reference Work
• F. Government Document
• A. Motion Picture
• B. YouTube Video
• A. Electronic Image
• A. Interview
• D. Classical Works
• E. Secondary Sources

About Citing

For each type of source in this guide, both  the general form and an example  will be provided.

The following format will be used:

In-Text Citation (Paraphrase) - entry that appears in the body of your paper when you express the ideas of a researcher or author using your own words.  For more tips on paraphrasing check out  The OWL at Purdue .

In-Text Citation (Quotation) - entry that appears in the body of your paper after a direct quote.

References -  entry that appears at the end of your paper.

Information on citing and several of the examples were drawn from the APA Manual  (6th ed.).

Book with Three to Five Authors or Editors (pp. 177, 202)

Printable handouts.

• Inserting a Running Head
• Annotated Bibliography
• APA 7th Edition Checklist
• APA 6th Edition Guide
• APA References Page Sample
• Creating a Hanging Indent
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16.2: Citing and Referencing Techniques

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Learning Objectives

• Apply American Psychological Association (APA) style formatting guidelines for citations.

This section covers the nitty-gritty details of in-text citations. You will learn how to format citations for different types of source materials, whether you are citing brief quotations, paraphrasing ideas, or quoting longer passages. You will also learn techniques you can use to introduce quoted and paraphrased material effectively. Keep this section handy as a reference to consult while writing the body of your paper.

Formatting Cited Material: The Basics

As noted in previous sections of this book, in-text citations usually provide the name of the author(s) and the year the source was published. For direct quotations, the page number must also be included. Use past-tense verbs when introducing a quote—“Smith found…” and not “Smith finds.…”

Formatting Brief Quotations

For brief quotations—fewer than forty words—use quotation marks to indicate where the quoted material begins and ends, and cite the name of the author(s), the year of publication, and the page number where the quotation appears in your source. Remember to include commas to separate elements within the parenthetical citation. Also, avoid redundancy. If you name the author(s) in your sentence, do not repeat the name(s) in your parenthetical citation. Review following the examples of different ways to cite direct quotations.

• Chang (2008) emphasized that “engaging in weight-bearing exercise consistently is one of the single best things women can do to maintain good health” (p. 49).

The author’s name can be included in the body of the sentence or in the parenthetical citation. Note that when a parenthetical citation appears at the end of the sentence, it comes after the closing quotation marks and before the period. The elements within parentheses are separated by commas.

• Weight Training for Women (Chang, 2008) claimed that “engaging in weight-bearing exercise consistently is one of the single best things women can do to maintain good health” (p. 49).
• Weight Training for Women claimed that “engaging in weight-bearing exercise consistently is one of the single best things women can do to maintain good health” (Chang, 2008, p. 49).

Including the title of a source is optional.

In Chang’s 2008 text Weight Training for Women , she asserts, “Engaging in weight-bearing exercise is one of the single best things women can do to maintain good health” (p. 49).

The author’s name, the date, and the title may appear in the body of the text. Include the page number in the parenthetical citation. Also, notice the use of the verb asserts to introduce the direct quotation.

“Engaging in weight-bearing exercise,” Chang asserts, “is one of the single best things women can do to maintain good health” (2008, p. 49).

You may begin a sentence with the direct quotation and add the author’s name and a strong verb before continuing the quotation.

Formatting Paraphrased and Summarized Material

When you paraphrase or summarize ideas from a source, you follow the same guidelines previously provided, except that you are not required to provide the page number where the ideas are located. If you are summing up the main findings of a research article, simply providing the author’s name and publication year may suffice, but if you are paraphrasing a more specific idea, consider including the page number.

Read the following examples.

• Chang (2008) pointed out that weight-bearing exercise has many potential benefits for women.

Here, the writer is summarizing a major idea that recurs throughout the source material. No page reference is needed.

Chang (2008) found that weight-bearing exercise could help women maintain or even increase bone density through middle age and beyond, reducing the likelihood that they will develop osteoporosis in later life (p. 86).

Although the writer is not directly quoting the source, this passage paraphrases a specific detail, so the writer chose to include the page number where the information is located.

Although APA style guidelines do not require writers to provide page numbers for material that is not directly quoted, your instructor may wish you to do so when possible.

Check with your instructor about his or her preferences.

Formatting Longer Quotations

When you quote a longer passage from a source—forty words or more—use a different format to set off the quoted material. Instead of using quotation marks, create a block quotation by starting the quotation on a new line and indented five spaces from the margin. Note that in this case, the parenthetical citation comes after the period that ends the sentence. Here is an example:

In recent years, many writers within the fitness industry have emphasized the ways in which women can benefit from weight-bearing exercise, such as weightlifting, karate, dancing, stair climbing, hiking, and jogging. Chang (2008) found that engaging in weight-bearing exercise regularly significantly reduces women’s risk of developing osteoporosis. Additionally, these exercises help women maintain muscle mass and overall strength, and many common forms of weight-bearing exercise, such as brisk walking or stair climbing, also provide noticeable cardiovascular benefits. (p. 93)

Exercise \(\PageIndex{1}\)

Review the places in your paper where you cited, quoted, and paraphrased material from a source with a single author. Edit your citations to ensure that

• each citation includes the author’s name, the date of publication, and, where appropriate, a page reference;
• parenthetical citations are correctly formatted;
• longer quotations use the block-quotation format.

If you are quoting a passage that continues into a second paragraph, indent five spaces again in the first line of the second paragraph. Here is an example:

In recent years, many writers within the fitness industry have emphasized the ways in which women can benefit from weight-bearing exercise, such as weightlifting, karate, dancing, stair climbing, hiking, and jogging. Chang (2008) found that engaging in weight-bearing exercise regularly significantly reduces women’s risk of developing osteoporosis. Additionally, these exercises help women maintain muscle mass and overall strength, and many common forms of weight-bearing exercise, such as brisk walking or stair climbing, also provide noticeable cardiovascular benefits.

It is important to note that swimming cannot be considered a weight-bearing exercise, since the water supports and cushions the swimmer. That doesn’t mean swimming isn’t great exercise, but it should be considered one part of an integrated fitness program. (p. 93)

Be wary of quoting from sources at length. Remember, your ideas should drive the paper, and quotations should be used to support and enhance your points. Make sure any lengthy quotations that you include serve a clear purpose. Generally, no more than 10–15 percent of a paper should consist of quoted material.

Introducing Cited Material Effectively

Including an introductory phrase in your text, such as “Jackson wrote” or “Copeland found,” often helps you integrate source material smoothly. This citation technique also helps convey that you are actively engaged with your source material. Unfortunately, during the process of writing your research paper, it is easy to fall into a rut and use the same few dull verbs repeatedly, such as “Jones said,” “Smith stated,” and so on.

Punch up your writing by using strong verbs that help your reader understand how the source material presents ideas. There is a world of difference between an author who “suggests” and one who “claims,” one who “questions” and one who “criticizes.” You do not need to consult your thesaurus every time you cite a source, but do think about which verbs will accurately represent the ideas and make your writing more engaging. The following chart shows some possibilities.

Exercise \(\PageIndex{2}\)

Review the citations in your paper once again. This time, look for places where you introduced source material using a signal phrase in your sentence.

• Highlight the verbs used in your signal phrases, and make note of any that seem to be overused throughout the paper.
• Identify at least three places where a stronger verb could be used.
• Make the edits to your draft.

writing at work

It is important to accurately represent a colleague’s ideas or communications in the workplace. When writing professional or academic papers, be mindful of how the words you use to describe someone’s tone or ideas carry certain connotations. Do not say a source argues a particular point unless an argument is, in fact, presented. Use lively language, but avoid language that is emotionally charged. Doing so will ensure you have represented your colleague’s words in an authentic and accurate way.

Formatting In-Text Citations for Other Source Types

These sections discuss the correct format for various types of in-text citations. Read them through quickly to get a sense of what is covered, and then refer to them again as needed.

Print Sources

This section covers books, articles, and other print sources with one or more authors.

A Work by One Author

For a print work with one author, follow the guidelines provided in Section 13.1 . Always include the author’s name and year of publication. Include a page reference whenever you quote a source directly. (See also the guidelines presented earlier in this chapter about when to include a page reference for paraphrased material.)

Two or More Works by the Same Author

At times, your research may include multiple works by the same author. If the works were published in different years, a standard in-text citation will serve to distinguish them. If you are citing multiple works by the same author published in the same year, include a lowercase letter immediately after the year. Rank the sources in the order they appear in your references section. The source listed first includes an a after the year, the source listed second includes a b , and so on.

Rodriguez (2009a) criticized the nutrition-supplement industry for making unsubstantiated and sometimes misleading claims about the benefits of taking supplements. Additionally, he warned that consumers frequently do not realize the potential harmful effects of some popular supplements (Rodriguez, 2009b).

If you have not yet created your references section, you may not be sure which source will appear first. See Section 13.3 for guidelines—or assign each source a temporary code and highlight the in-text citations so you remember to double-check them later on.

Works by Authors with the Same Last Name

If you are citing works by different authors with the same last name, include each author’s initials in your citation, whether you mention them in the text or in parentheses. Do so even if the publication years are different.

• J. S. Williams (2007) believes nutritional supplements can be a useful part of some diet and fitness regimens. C. D. Williams (2008), however, believes these supplements are overrated.
• According to two leading researchers, the rate of childhood obesity exceeds the rate of adult obesity (K. Connelley, 2010; O. Connelley, 2010).
• Studies from both A. Wright (2007) and C. A. Wright (2008) confirm the benefits of diet and exercise on weight loss.

A Work by Two Authors

When two authors are listed for a given work, include both authors’ names each time you cite the work. If you are citing their names in parentheses, use an ampersand (&) between them. (Use the word and , however, if the names appear in your sentence.)

• As Garrison and Gould (2010) pointed out, “It is never too late to quit smoking. The health risks associated with this habit begin to decrease soon after a smoker quits” (p. 101).
• As doctors continue to point out, “It is never too late to quit smoking. The health risks associated with this habit begin to decrease soon after a smoker quits” (Garrison & Gould, 2010, p. 101).

A Work by Three to Five Authors

If the work you are citing has three to five authors, list all the authors’ names the first time you cite the source. In subsequent citations, use the first author’s name followed by the abbreviation et al. ( Et al. is short for et alia , the Latin phrase for “and others.”)

• Henderson, Davidian, and Degler (2010) surveyed 350 smokers aged 18 to 30.
• One survey, conducted among 350 smokers aged 18 to 30, included a detailed questionnaire about participants’ motivations for smoking (Henderson, Davidian, & Degler, 2010).

Note that these examples follow the same ampersand conventions as sources with two authors. Again, use the ampersand only when listing authors’ names in parentheses.

• As Henderson et al. (2010) found, some young people, particularly young women, use smoking as a means of appetite suppression.
• Disturbingly, some young women use smoking as a means of appetite suppression (Henderson et al., 2010).

Note how the phrase et al. is punctuated. No period comes after et , but al. gets a period because it is an abbreviation for a longer Latin word. In parenthetical references, include a comma after et al. but not before. Remember this rule by mentally translating the citation to English: “Henderson and others, 2010.”

A Work by Six or More Authors

If the work you are citing has six or more authors, list only the first author’s name, followed by et al. , in your in-text citations. The other authors’ names will be listed in your references section.

Researchers have found that outreach work with young people has helped reduce tobacco use in some communities (Costello et al., 2007).

A Work Authored by an Organization

When citing a work that has no individual author(s) but is published by an organization, use the organization’s name in place of the author’s name. Lengthy organization names with well-known abbreviations can be abbreviated. In your first citation, use the full name, followed by the abbreviation in square brackets. Subsequent citations may use the abbreviation only.

• It is possible for a patient to have a small stroke without even realizing it (American Heart Association [AHA], 2010).
• Another cause for concern is that even if patients realize that they have had a stroke and need medical attention, they may not know which nearby facilities are best equipped to treat them (AHA, 2010).

Exercise \(\PageIndex{3}\)

• Review the places in your paper where you cited material from a source with multiple authors or with an organization as the author. Edit your citations to ensure that each citation follows APA guidelines for the inclusion of the authors’ names, the use of ampersands and et al. , the date of publication, and, where appropriate, a page reference.
• Mark any additional citations within your paper that you are not sure how to format based on the guidelines provided so far. You will revisit these citations after reading the next few sections.

A Work with No Listed Author

If no author is listed and the source cannot be attributed to an organization, use the title in place of the author’s name. You may use the full title in your sentence or use the first few words—enough to convey the key ideas—in a parenthetical reference. Follow standard conventions for using italics or quotations marks with titles:

• Use italics for titles of books or reports.
• Use quotation marks for titles of articles or chapters.
• “Living With Diabetes: Managing Your Health” (2009) recommends regular exercise for patients with diabetes.
• Regular exercise can benefit patients with diabetes (“Living with Diabetes,” 2009).
• Rosenhan (1973) had mentally healthy study participants claim to be experiencing hallucinations so they would be admitted to psychiatric hospitals.

A Work Cited within Another Work

To cite a source that is referred to within another secondary source, name the first source in your sentence. Then, in parentheses, use the phrase as cited in and the name of the second source author.

Rosenhan’s study “On Being Sane in Insane Places” (as cited in Spitzer, 1975) found that psychiatrists diagnosed schizophrenia in people who claimed to be experiencing hallucinations and sought treatment—even though these patients were, in fact, imposters.

Two or More Works Cited in One Reference

At times, you may provide more than one citation in a parenthetical reference, such as when you are discussing related works or studies with similar results. List the citations in the same order they appear in your references section, and separate the citations with a semicolon.

Some researchers have found serious flaws in the way Rosenhan’s study was conducted (Dawes, 2001; Spitzer, 1975).

Both of these researchers authored works that support the point being made in this sentence, so it makes sense to include both in the same citation.

A Famous Text Published in Multiple Editions

In some cases, you may need to cite an extremely well-known work that has been repeatedly republished or translated. Many works of literature and sacred texts, as well as some classic nonfiction texts, fall into this category. For these works, the original date of publication may be unavailable. If so, include the year of publication or translation for your edition. Refer to specific parts or chapters if you need to cite a specific section. Discuss with your instructor whether he or she would like you to cite page numbers in this particular instance.

In New Introductory Lectures on Psycho-Analysis , Freud explains that the “manifest content” of a dream—what literally takes place—is separate from its “latent content,” or hidden meaning (trans. 1965, lecture XXIX).

Here, the student is citing a classic work of psychology, originally written in German and later translated to English. Since the book is a collection of Freud’s lectures, the student cites the lecture number rather than a page number.

An Introduction, Foreword, Preface, or Afterword

To cite an introduction, foreword, preface, or afterword, cite the author of the material and the year, following the same format used for other print materials.

Electronic Sources

Whenever possible, cite electronic sources as you would print sources, using the author, the date, and where appropriate, a page number. For some types of electronic sources—for instance, many online articles—this information is easily available. Other times, however, you will need to vary the format to reflect the differences in online media.

Online Sources without Page Numbers

If an online source has no page numbers but you want to refer to a specific portion of the source, try to locate other information you can use to direct your reader to the information cited. Some websites number paragraphs within published articles; if so, include the paragraph number in your citation. Precede the paragraph number with the abbreviation for the word paragraph and the number of the paragraph (e.g., para. 4).

As researchers have explained, “Incorporating fresh fruits and vegetables into one’s diet can be a challenge for residents of areas where there are few or no easily accessible supermarkets” (Smith & Jones, 2006, para. 4).

Even if a source does not have numbered paragraphs, it is likely to have headings that organize the content. In your citation, name the section where your cited information appears, followed by a paragraph number.

The American Lung Association (2010) noted, “After smoking, radon exposure is the second most common cause of lung cancer” (What Causes Lung Cancer? section, para. 2).

This student cited the appropriate section heading within the website and then counted to find the specific paragraph where the cited information was located.

If an online source has no listed author and no date, use the source title and the abbreviation n.d. in your parenthetical reference.

It has been suggested that electromagnetic radiation from cellular telephones may pose a risk for developing certain cancers (“Cell Phones and Cancer,” n.d.).

Personal Communication

For personal communications, such as interviews, letters, and e-mails, cite the name of the person involved, clarify that the material is from a personal communication, and provide the specific date the communication took place. Note that while in-text citations correspond to entries in the references section, personal communications are an exception to this rule. They are cited only in the body text of your paper.

J. H. Yardley, M.D., believes that available information on the relationship between cell phone use and cancer is inconclusive (personal communication, May 1, 2009).

At work, you may sometimes share information resources with your colleagues by photocopying an interesting article or forwarding the URL of a useful website. Your goal in these situations and in formal research citations is the same. The goal is to provide enough information to help your professional peers locate and follow up on potentially useful information. Provide as much specific information as possible to achieve that goal, and consult with your professor as to what specific style he or she may prefer.

Exercise \(\PageIndex{4}\)

Revisit the problem citations you identified in Exercise 3—for instance, sources with no listed author or other oddities. Review the guidelines provided in this section and edit your citations for these kinds of sources according to APA guidelines.

Key Takeaways

• In APA papers, in-text citations include the name of the author(s) and the year of publication whenever possible.
• Page numbers are always included when citing quotations. It is optional to include page numbers when citing paraphrased material; however, this should be done when citing a specific portion of a work.
• When citing online sources, provide the same information used for print sources if it is available.
• When a source does not provide information that usually appears in a citation, in-text citations should provide readers with alternative information that would help them locate the source material. This may include the title of the source, section headings and paragraph numbers for websites, and so forth.
• When writing a paper, discuss with your professor what particular standards he or she would like you to follow.

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