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Chicago Citation Style, 18th Edition

A University of Lethbridge Library guide to Chicago Manual of Style citations.

Notes-Bibliography System Guidelines

The Chicago Manual of Style recognizes two similar but distinct citation styles: the Notes and Bibliography System and the Author-Date System. The guidelines and examples in this guide follow the Notes and Bibliography System. For information on the Author-Date System, see sections 13.102-13.128 of the Manual.

Please navigate to one of the pages below for citation guidelines:

For general document formatting information, which lies beyond the scope of this guide, see Purdue University's Online Writing Lab (OWL) website.