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Citation Guide: APA

Learn how to use the two most widely used citation styles for writing research papers and assignments.

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Author Format

No matter the format or resource type, the author name should be put in the following format depending on the number of authors used in a work.

Single Author

Format
Author, A. A. 

Example
Shein, E. (2015). Teaching Computers with Illusions. Communications Of The ACM, 58(8), 13-15. doi:10.1145/2788451

Two Authors

Format
Author, A. A., & Author, B. B.

Example
Renno, F., & Papa, S. (2015). Direct Modeling Approach to Improve Virtual Prototyping and FEM Analyses of Bicycle Frames. Engineering Letters, 23(4), 333-341.

Three to Seven Authors

Format
Author, A. A., Author, B. B., Author C.C., & Author D.D. 

Example
Marra, R. M., Tsai, C., Bogue, B., & Pytel, J. L. (2015). Alternative Pathways to Engineering Success--Using Academic and Social Integration to Understand Two-Year Engineering Student Success. American Journal Of Engineering Education, 6(2), 69-83.

More than Seven Authors

Format
Author, A. A., Author, B. B., Author C.C., Author D.D., Author E.E., Author F.F., ... Author Z.Z. 

Example
Chen, W., Zhao, Y., Peng, X., Dong, Q., Jin, J., Zhou, W., & ... Ma, Q. (2015). Significant Microsynteny with New Evolutionary Highlights Is Detected through Comparative Genomic Sequence Analysis of Maize CCCH IX Gene Subfamily. International Journal Of Genomics, 20151-12. doi:10.1155/2015/824287

Citing an Article - APA

An Article in a Web Magazine

Format
Author, A. A. (Date of publication). Title of article.Title of Online Periodical, volume number(issue number if available). Retrieved Date Retrieved, from http://www.someaddress.com/full/url/

Example
Whitbrook, J. (2016, January 11). Steven Universe Tells Us That the Answer to All Our Questions is Love-But It's Also Fandom. io9. Retrieved January 12, 2016, from http://io9.gizmodo.com/steven-universe-tells-us-that-the-answer-to-all-our-que-1752311132

A Database Article

Format
Author, A. A. (Date of publication). Title of article.Title of Journal, volume number, page range.

Example
Bartlett, T. (2014). 16,000,000 Rooster Teeth Fans Can't Be Wrong. Texas Monthly, 42(12), 46.

Citing a Book - APA

Format
Author, A. A. (Year of publication). Title of work: Capital letter also for subtitle. Location: Publisher.

Example
Lowder, J. (2012). Beyond the Wall Exploring George R.R. Martin's A Song of Ice and Fire, From A Game of Thrones to A Dance with Dragons. New York: BenBella Books. 

Citing a Website - APA

Format
Editor, author, or compiler name (if available). Name of Site. (Date of resource creation). Retrieved Date Retrieved, from http://www.someaddress.com/full/url/

Example
CNNMoney. (n.d.). Retrieved January 12, 2016, from http://money.cnn.com/

Citing a Tweet - APA

Format
Author, A. [Twitter Username]. (Date of Tweet). Tweet in its Entirety. [Tweet.] Retrieved from http://www.someaddress.com/full/url/

Example

[LeVostreGC]. (2016 January, 5). Ther nys no partye lyke an Unexpected Partye, by cause an Unexpected Partye doth leade to a lengthye journeye to the Lonelye Mountayne. [Tweet.] Retrieved from https://twitter.com/LeVostreGC/status/684461734879313920

Citing Secondary Sources - APA

List the source the work was discussed in your reference list: 

Bartlett, T. (2014). 16,000,000 Rooster Teeth Fans Can't Be Wrong. Texas Monthly, 42(12), 46.

Give the secondary source in the reference list.  In the text, name the original work and give a citation for the secondary source.  For example, if Ankeny's work is cited in Bartlett and you did not read the original work, list the Bartlett reference in the References.  In the text, use the following citation:

In Ankey's article (as cited in Bartlett, 2014), ...

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Citation Styles

Citation styles are rules set for writing and formatting research papers.  These rules cover the mechanics of writing, format, and correct form of documentation. 

MLA and APA are just two of the most popular citation styles.  Be sure to check with your instructor on which style they prefer.