How to Cite a Thesis/Dissertation in Chicago Manual of Style (Author-Date)

Learn the exact format with examples, in-text citations, and common mistakes to avoid.

Citation Format

Basic Template

(Author Year) Reference: Author. Year. "Thesis Title." Doctoral/Master's dissertation, University Name.

Citation Components

Author

Full name.

Year

Year completed.

Thesis Title

In quotation marks. Sentence case.

Degree Type

Doctoral dissertation or Master's dissertation or PhD thesis, etc.

University

Full name of institution.

Real-World Example

Example Source

author

Rodriguez, Elena Maria

year

2021

title

Biomarkers for early detection of neurodegenerative disease

degree

Doctoral dissertation

university

University of California, San Francisco

Formatted Citation

Rodriguez, Elena Maria. 2021. "Biomarkers for Early Detection of Neurodegenerative Disease." Doctoral dissertation, University of California, San Francisco.

In-Text Citation

(Rodriguez 2021)

(Author Year)

Common Mistakes

Wrong:

Rodriguez, E. M. (2021). "Biomarkers..." [Doctoral dissertation, UCSF].

Right:

Rodriguez, Elena Maria. 2021. "Biomarkers for Early Detection of Neurodegenerative Disease." Doctoral dissertation, University of California, San Francisco.

Why: Use full first name, no parentheses for year, spell out university name fully.

Wrong:

Rodriguez, Elena Maria. 2021. Biomarkers for Early Detection. University of California.

Right:

Rodriguez, Elena Maria. 2021. "Biomarkers for Early Detection of Neurodegenerative Disease." Doctoral dissertation, University of California, San Francisco.

Why: Include full thesis title in quotation marks and include 'Doctoral dissertation' designation.

Wrong:

Rodriguez, Elena. 2021. PhD thesis: Biomarkers. UCSF.

Right:

Rodriguez, Elena Maria. 2021. "Biomarkers for Early Detection of Neurodegenerative Disease." Doctoral dissertation, University of California, San Francisco.

Why: Use full name, quotation marks for title, proper degree designation, full university name.

Frequently Asked Questions

Should I include the university location?

Yes, include the full university name. Add city and state if it's a US university or country if international.

Can I cite an unpublished thesis?

Yes, same format. The 'unpublished' status is implied by the thesis designation.

How do I distinguish between Master's and Doctoral dissertations?

Specify: 'Master's dissertation' or 'Doctoral dissertation' or the specific degree (PhD thesis, MA thesis, etc.).

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