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UPDATE (5/20/26 @ 7:30am AZ time):
The GCU Library's updated version of LopeCat, the library’s online catalog, is live! For more details on what has changed, visit the What's New Guide .
Citing Sources in Turabian: What's New in Turabian 9?
What is Turabian?
Also known as “Turabian”—is an introduction to Chicago-style formatting and citation generation. While based on the 17th Edition of the Chicago Manual of Style, Turabian simplifies and adapts the more publication focused aspects of Chicago formatting to be suitable for student work.
Changes From 8th Edition to 9th Edition
| 8th Edition | 9th Edition |
|---|---|
| Digital sources with URLs included a date of access. | Date of access only included for digital sources without a publication, last updated, or last modified date. |
| DOIs encouraged but not required, formatted as http://dx.doi.org. | DOIs included for all digital sources that have them, formatted as https://doi.org. |
| Header includes student last name and page number. | Header includes only page number. |
| Annotations for annotated bibliographies indented one half inch and first line of annotation indented additional half inch. | Annotations for annotated bibliographies indented one half inch with no additional indents for first line. |
| En dash is between numbers in a range and elsewhere. | Hyphens are in ranges and elsewhere. |
| Website names in italics if like a publication, such as Wikipedia . | Website names that correspond to printpublications, such as New York Times , or similar news sites, such as Huffington Post , are in italics. All others, including Wikipedia, are now in regular type. |
| Legal citations & public documents follow from the 19th edition of The Bluebook . | Legal citations & public documents follow from the 20th edition of The Bluebook . |
| Ibid allowed. | Ibid discouraged. |
| Websites have both notes and a bibliography entry. | Most website sources can be cited only in the notes. |
| Interviews may be cited only in notes. | Published interviews should be cited either in notes or with both a note and bibliography entry according to the rules for format. For example an interview in a newspaper article could be in a note, as newspaper articles may be cited only in notes. However, magazine articles require a bibliography entry, so one in a magazine would need both a note and bibliography entry. |
