Skip to main content
Albert S. Cook Library

Chicago Style: Author-Date Format

Learn to use Chicago Style Author-Date format to cite your sources.

Need Help?

Cook Library has experienced librarians and library assistants ready to help, no matter where you are!


chat loading...


Text message: 410-774-1398

Phone: 410-704-2462

You can also:

General Guidelines

Journal Articles should include the following pieces of information (if available) in this order: {p. 729}

  1. Full name of the author(s)
  2. Year of publication
  3. Title and subtitle of the article
  4. Title of periodical
  5. Issue information: volume number, issue number, month, day (if applicable)
  6. Page reference (if available)
  7. If specifically required, a date of access
  8. For online periodicals, a URL or a DOI (digital object identifier)

***Remember to single space after all commas, colons, and periods.

Full-text Article from an Online Database

Article with a DOI

Reference list: 

Duncan, P. Bruce. 1993. “Using Toxicity Data to Evaluate Ecological Effects at Superfund Sites.” Journal of Hazardous Materials 35, no. 2 (May): 255-71. doi:10.1016/0304-3894(93)80010-D.

In-text citation:

(Duncan 1993, 264-65)

Article without a DOI

If there is no doi (digital object identifier), include a stable/permanent URL for that article within the database. If neither exists, list the name of the database and the accession number of the article.

Reference list: 

Lupton, Mary Jane. 1990. “Singing the Black Mother: Maya Angelou and Autobiographical Continuity.” Black American Literature Forum 24, no. 2 (April): 257-76.

In-text citation:

(Lupton 1990, 271)

Newspapers & Magazines

Newspaper Article Available Online

In the reference list, it can be helpful to repeat the year with sources that are cited by month and day.  Specific page numbers of cited material is included in the in-text citation, but page ranges are dropped from the reference list citation.  If the article was retrieved online, include the URL or the name of the database.

Reference list:

Cohen, Noam. 2010. “Web Attackers Find a Cause in WikiLeaks.” New York Times, December 9, 2010. scp=20&sq= wikil eaks&st=nyt.

In-text citation:

(Cohen 2010)

Newspaper Article Retrieved from a Database.

Include edition, if it is noted.

Reference list: 

Cohen, Noam. 2010. “Web Attackers Point to Cause in WikiLeaks.” New York Times, December 10, 2010. Final edition.

In-text citation: 

(Cohen 2010)

Unsigned/Anonymous Article from a Weekly Magazine in a Database

List an unsigned article under its title. For electronic versions, include stable/permalink URL as the last element.

Reference list: 

“Best Music of 1993.” 1994. Time, January 3, 1994.

In-text citation: 

(“Best Music of 1993” 1994, 85)

Articles with Multiple Authors

Articles with Two Authors

Reference list:

Zilka, Gila Cohen, and Orit Zeichner. 2019. “Factors Necessary for Engaging Preservice Teachers Studying in Virtual and Blended Courses.” International Journal of Mobile and Blended Learning 11, no.1: 42-57. 

In-text citation:

(Zilka and Zeichner 2019, 45)

Articles with Three Authors

Reference list:

Yang, Harrison H., Lin Feng, and Jason MacLeod. 2019. “Understanding College Students’ Acceptance of Cloud Classrooms in Flipped Instruction: Integrating UTAUT and Connected Classroom Climate.” Journal of Educational Computing Research 56, no.8: 1258–76.

In-text citation

(Yang, Feng, and MacLeod 2019, 1260)

Articles with Four or More Authors

For the reference list, for up to ten authors, list all names.  For more than ten authors, list the first seven authors, followed by the abbreviation "et al."  For the in-text citation, list only the first author, followed by the abbreviation "et al."

Reference list:

Arrighi, Gillian, Clare Irvine, Brian Joyce, and Kirsti Haracz. 2018. “Reimagining ‘Role’ and ‘Character’: An Approach to Acting Training for Role-Play Simulation in the Tertiary Education Setting.” Applied Theatre Research 6, no.2: 89–106. doi:10.1386/atr.6.2.89_1.

In-text citation:

(Arrighi et al. 2018, 90)


Articles with Corporate Authors or No Stated Author

For sources where an organization is the author, use the full organization name as author in both the Reference List and the In-text citation:

(McDonalds Corporation 2019, 45)

If a source does not have a personal author, begin the citation with the title of the article in double quotation marks in both the Reference List and the In-text citation:

("Top Grossing Films of 2018" 2019)