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Chicago Citation Guide - 17th Edition

A guide to using Chicago Manual of Style, 17th Edition

Webpages / Web Documents


Author. Date. "Title of Webpage." Website. Modified or updated date. URL.


Mark, Joshua J. 2009. "Socrates." Ancient History Encyclopedia. September 2, 2009.

(Mark 2009)

Micallef, Joseph V. n.d. "Origins of the July Crisis: Lighting the Fuse." Accessed January 4, 2018.

(Micallef n.d.)

U.S. Department of Health & Human Services. 2015. "Ethical Principles in the Allocation of Human Organs." Organ Procurement and Transplantation Network. June 2015.

(U.S. Department of Health & Human Services 2015)

Blog Posts


Author. Date. "Title of Blog Post." Blog Title, Sponsor. Full date. URL.


Wade, Lisa. 2016. "Race-Based Activism is Changing College Campuses." Sociological Images, The Society Pages. April 19, 2016.

(Wade 2016)​

Government Reports


Author. Date. Title of Report. Report number. Website. Full date. URL.


Cahill, Kevin E., Michael D. Giandrea, and Joseph F. Quinn. 2011. How Does Occupational Status Impact Bridge Job Prevalence? BLS Working Paper 447. Bureau of Labor Statistics. July 2011.

(Cahill, Giandrea, and Quinn 2011, 2)​


Use in-text citations only for personal communication such as email.


(John Smith, email, November 12, 2017)

Social Media


Author (username). Date. "Text of post." Website, Full date. URL.


Pope Francis (@Pontifex). 2017. “I encourage world leaders to set aside partisan and ideological interests and seek together the common good of all humanity.” Twitter, September 12, 2017, 4:30 a.m.

(Pope Francis 2017)​

Santa Fe College. 2017. “Students are now eligible to receive federal Pell grant funds for the summer term. Find out how.” Facebook, September 4, 2017.

(Santa Fe College 2017)​

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