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Chicago citation style was created by the University of Chicago. It is commonly used for citing sources in History and occasionally in the Humanities, which includes: Art, American History, World History, etc.
Provides searchable online access to the 17th (2017) and 16th (2010) editions of the standard style manual. Also includes Chicago-Style Citation Quick Guide, and Chicago Style Q&A (editors' answers to questions submitted by readers, updated monthly).