MLA

Department of Epidemiology and Public Health, Entering Class, 1979-1980. Yale Information Technology Services: Photo & Design Center, 1979. https://collections.library.yale.edu/catalog/16788178.

APA, 6th edition

Department of Epidemiology and Public Health, Entering Class, 1979-1980. (1979). [Photograph]. Yale Information Technology Services: Photo & Design Center. https://collections.library.yale.edu/catalog/16788178.