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Chicago Author-Date (previously Chicago) - Referencing Guide

Chicago Author-Date Style (previously Chicago)

About Chicago Author-Date Style

There are two parts to referencing: the citations within the text of your paper and the reference list at the end of your paper.

Chicago style  is an "author-date" style, so the citation in the text consists of the author(s) name and year of publication given wholly or partly in round brackets.

Use only the surname of the author(s) and the year of publication. Include page, chapter or section numbers, preceded by a comma, if you need to be specific:

 The components of an in-text citation using Chicago 18th -  '(Tuten and Solomon 2018, 62-63)'. The diagram uses colored labels and brackets to identify three parts: 'Author surname(s)' in green pointing to 'Tuten and Solomon', 'Year of publication' in orange pointing to '2018', and 'Page(s)' in blue pointing to '62-63'."

When citing in the text, no distinction is made between books, journal articles, internet documents or other formats, except for electronic documents that do not provide page numbers. In this case, use the paragraph number, if available, with the abbreviation para.

The full details of the source are given in a reference list at the end of the document:

The components of a reference list entry using Chicago 18th - 'Tuten, Tracy L., and Michael R. Solomon. 2018. Social Media Marketing. 3rd ed. Sage.' The diagram uses coloured labels and brackets to identify five parts: 'Author(s)' in green pointing to the full author names, 'Year of publication' in orange pointing to '2018', 'Title' in red pointing to 'Social Media Marketing', 'Edition' in olive green pointing to '3rd ed', and 'Publisher' in purple pointing to 'Sage'.

Reference list entries contain all the information that someone needs to follow up your source. Reference lists in Chicago Author-Date are arranged alphabetically by the primary author's surname.

Reference list entries vary depending upon the format of the source of your information. See Reference List Entries or All Examples for details on how to construct references for specific resources such as books, journals and web pages.

Important Information

Created December 2010; modified December 2024

Please remember to check with your unit co-ordinator or tutor before submitting your assignments, as their style preference may vary from the guidelines presented here.

When using EndNote referencing software, please use the following output style - Chicago 18th edition Author-Date. Depending on which version of EndNote you are using, you may need to download this output style template. For information about EndNote and downloading output style templates, please see the EndNote Guide.

Acknowledgement

This referencing guide follows the principles and examples given in the 18th edition of the Chicago Manual of Style (2024).