APA (7th ed.) Citation

Society of Medical History of Chicago, University of Chicago. Library. Crerar Ms. 33, & Crerar Manuscript Collection. (1848). Records.

Chicago Style (17th ed.) Citation

Society of Medical History of Chicago, University of Chicago. Library. Crerar Ms. 33, and Crerar Manuscript Collection. Records. 1848.

MLA (8th ed.) Citation

Society of Medical History of Chicago, et al. Records. 1848.