For the most up-to-date citation assistance, please use the American Psychological Association's 

 APA Style and Grammar Guidelines.

Or 

Purdue Online Writing Lab's APA Style Formatting and Style Guide.

*Citation examples from APA Style and Grammar Guidelines.*

Print Book:

Sapolsky, R. M. (2017). Behave: The biology of humans at our best and worst. Penguin Books.

E-book:

Jackson, L. M. (2019). The psychology of prejudice: From attitudes to social action (2nd ed.). American Psychological Association. https://doi.org/10.1037/0000168-000.

Chapter in a book:

Dillard, J. P. (2020). Currents in the study of persuasion. In M. B. Oliver, A. A. Raney, & J. Bryant (Eds.), Media effects: Advances in theory and research (4th ed., pp. 115–129). Routledge.

Twitter:

CDC [@CDCgov]. (2020, June 11). Scientists do not know if having antibodies to the virus that causes #COVID19 can protect someone from getting infected again [Image attached] [Tweet]. Twitter. https://twitter.com/CDCgov/status/1271180413134876672.

Organization webpage:

World Health Organization. (2018, May 24). The top 10 causes of death. https://www.who.int/news-room/fact-sheets/detail/the-top-10-causes-of-death.

Podcast:

Meraji, S. M., & Demby, G. (Hosts). (2016–present). Code switch [Audio podcast]. National Public Radio. https://www.npr.org/podcasts/510312/codeswitch.

Below are sample citations for the most common and general electronic resources, based on the 7th edition of the Publication Manual of the American Psychological Association.  If you have the Publication Manual, please refer to Sections 10.1-10.8

Journal article:

Grady, J. S., Her, M., Moreno, G., Perez, C., & Yelinek, J. (2019). Emotions in storybooks: A comparison of storybooks that represent ethnic and racial groups in the United States. Psychology of Popular Media Culture, 8(3), 207–217. https://doi.org/10.1037/ppm0000185.

Newspaper article:

Harlan, C. (2013, April 2). North Korea vows to restart shuttered nuclear reactor that can make bomb-grade plutonium. The Washington Post, A1, A4.

For additional examples of citations, please use the following resources:

Purdue Owl Chicago Manual of Style 

or

Chicago Manual of Style Online

*Citation examples from Purdue Owl*

Book:

Kerouac, Jack. The Dharma Bums. New York: Viking Press, 1958.

eBook:

Davidson, Donald, Essays on Actions and Events. Oxford: Clarendon, 2001. https://bibliotecamathom.files.wordpress.com/2012/10/essays-on-actions-and-events.pdf.

Chapter in a Book:

Anzaldúa, Gloria. “How to Tame a Wild Tongue.” In Borderlands: The New Mestiza – La Frontera, 53–64. San Francisco: Aunt Lute Book Company, 1987. 

Webpage:  

Heck, Richard Kimberly. “About the Philosophical Gourmet Report.” Last modified August 5, 2016. http://rgheck.frege.org/philosophy/aboutpgr.php.

Twitter:

Nye, Bill (@BillNye). “While I’m not much for skipping school, I sure am in favor of calling attention to the seriousness of climate change. Our students can see the problem….” Twitter, March 14, 2019. https://twitter.com/BillNye/status/1106242216123486209.

Podcast: 

Cole, Sean and Ira Glass. “622: Who You Gonna Call?.” Produced by WBEZ. This American Life. August 4, 2017. Podcast, MP3 audio, 1:00:27. https://www.thisamericanlife.org/radio-archives/episode/622/who-you-gonna-call.

Below are sample citations for the most common and general electronic resources, based on the 17th edition of the Chicago Manual of Style.  If you have a print copy of the Manual, please refer to Part III, Chapters 14-15.

Journal:

Bent, Henry E. "Professionalization of the Ph.D. Degree.” College Composition and Communication 58, no. 4 (2007): 0-145. Accessed December 4, 2017. http://www.jstor.org/stable/1978286.

Newspaper:

Deo, Nisha. “Visiting Professor Lectures on Photographer.” Exponent (West Lafayette, IN), Feb. 13, 2009.

Changes have been made to MLA style and are indicated in the the 8th edition of the MLA Handbook. For more information and examples, please use these sources:

Purdue Online Writing Lab (OWL) MLA Style 

or

Modern Language Association (MLA) Style Center

*Citation examples from Purdue OWL*

Twitter: 

@tombrokaw. “SC demonstrated why all the debates are the engines of this campaign.” Twitter, 22 Jan. 2012, 3:06 a.m., twitter.com/tombrokaw/status/160996868971704320.

Page on a website:

Lundman, Susan. “How to Make Vegetarian Chili.” eHow, www.ehow.com/how_10727_make-vegetarian-chili.html. Accessed 6 July 2015.

Print book:

Gillespie, Paula, and Neal Lerner. The Allyn and Bacon Guide to Peer Tutoring. Allyn and Bacon, 2000.

ebook:

Silva, Paul J. How to Write a Lot: A Practical Guide to Productive Academic Writing. E-book, American Psychological Association, 2007.

Chapter in a book: 

Harris, Muriel. "Talk to Me: Engaging Reluctant Writers." A Tutor's Guide: Helping Writers One to One, edited by Ben Rafoth, Heinemann, 2000, pp. 24-34.

Below are sample citations for the most common and general electronic resources, based on the 8th edition of the MLA Handbook.  If you have a print copy of the Handbook, please refer to Part Two, section 2.

Journal:

Duvall, John N. "The (Super)Marketplace of Images: Television as Unmediated Mediation in DeLillo's White Noise." Arizona Quarterly, vol. 50, no. 3, 1994, pp. 127-53.

Newspaper:

Brubaker, Bill. "New Health Center Targets County's Uninsured Patients." Washington Post, 24 May 2007, p. LZ01.