What Is Chicago Style Reference? Formatting Made Easy

The Chicago style of reference, also known as Turabian style, is one of the most widely used citation styles in academic and professional writing. It provides a comprehensive set of guidelines for formatting and citing sources, ensuring consistency and clarity in written work. The Chicago Manual of Style (CMS) is the authoritative guide for this style, offering detailed instructions on various aspects of writing, from grammar and punctuation to citation and referencing.
History and Development of Chicago Style

The Chicago style of reference has its roots in the University of Chicago, where it was first developed in the early 20th century. The first edition of the Chicago Manual of Style was published in 1906, and since then, it has undergone numerous revisions to reflect changes in writing styles, technological advancements, and evolving academic standards. Today, the CMS is in its 17th edition, providing updated guidance on citation, formatting, and style.
Key Features of Chicago Style Reference
Chicago style reference is characterized by several key features, including:
- Footnotes and Endnotes: Chicago style uses footnotes or endnotes to cite sources, providing a clear and concise way to acknowledge borrowed information.
- Bibliography: A comprehensive bibliography is required, listing all sources cited in the text, as well as any additional sources consulted during research.
- Author-Date System: Chicago style also offers an author-date system, similar to APA style, which uses parenthetical citations and a reference list.
- Formatting Guidelines: Chicago style provides detailed guidelines for formatting, including margins, font, spacing, and headings.
Chicago Style Citation Examples

Chicago style citations can be formatted in various ways, depending on the type of source and the context in which it is used. Here are a few examples:
Source Type | Footnote/Endnote | Bibliography |
---|---|---|
Book | 1. John Smith, The History of Chicago (Chicago: University of Chicago Press, 2010), 23. | Smith, John. The History of Chicago. Chicago: University of Chicago Press, 2010. |
Journal Article | 2. Jane Doe, “The Impact of Climate Change,” Journal of Environmental Studies 10, no. 2 (2015): 12-15. | Doe, Jane. “The Impact of Climate Change.” Journal of Environmental Studies 10, no. 2 (2015): 12-15. |
Website | 3. “Chicago Style Guide,” The Chicago Manual of Style, accessed February 10, 2023, https://www.chicagomanualofstyle.org. | “Chicago Style Guide.” The Chicago Manual of Style. Accessed February 10, 2023. https://www.chicagomanualofstyle.org. |

Chicago Style Reference Tools and Resources
There are several tools and resources available to help with Chicago style referencing, including:
- Chicago Manual of Style Online: The official website of the Chicago Manual of Style, providing access to the full text of the manual, as well as additional resources and tools.
- Citation Management Software: Tools like Zotero, EndNote, and Mendeley can help with formatting citations and creating bibliographies.
- Style Guides and Tutorials: Many universities and writing centers offer style guides and tutorials specific to Chicago style, providing additional guidance and support.
In conclusion, Chicago style reference is a widely used and respected citation style, providing a comprehensive set of guidelines for formatting and citing sources. By following the guidelines outlined in the Chicago Manual of Style, writers can ensure consistency and clarity in their work, while also giving proper credit to the sources that have informed their research.
What is the difference between Chicago style and Turabian style?
+Chicago style and Turabian style are often used interchangeably, but they are not exactly the same. Turabian style is a simplified version of Chicago style, developed by Kate L. Turabian for use by students and researchers. While both styles share many similarities, Turabian style is more concise and easier to use, making it a popular choice for undergraduate and graduate students.
How do I format a bibliography in Chicago style?
+A Chicago style bibliography should include all sources cited in the text, as well as any additional sources consulted during research. The bibliography should be formatted with hanging indents, and entries should be listed alphabetically by author’s last name. Each entry should include the author’s name, title of the work, publication information, and any relevant details such as page numbers or DOI.
Can I use Chicago style for all types of writing?
+While Chicago style is widely used in academic and professional writing, it may not be the best choice for all types of writing. For example, APA style is often preferred in social sciences, while MLA style is commonly used in humanities. It’s essential to consult with your instructor or editor to determine the most suitable citation style for your specific writing project.