What's the difference between Chicago Notes and Bibliography and Author-Date styles?
Answer
Chicago has two versions based on the type of research being done. The Sciences and Social Sciences often use Author-Date style, which uses parenthetical in-text citations with a references list at the end of a paper (similar to APA style). The Arts and Humanities often uses Notes-Bibliography style, which relies on footnotes or endnotes with a bibliography at the end of a paper.
If you are unsure what version of Chicago to use, consult with your professor.
Links & Files
Comments (0)
Contact Us
Research Help Desk
Winter Break
The Research Help desk will be closed during the winter break, but you can still submit questions or reach out to a librarian for help. Spring 2026 hours will start on Tuesday, January 20th.
One-On-One Consultations
Schedule an appointment using our Research Help Request form.
You can also email your subject librarian to schedule an in-person or Zoom appointment.