MLA

University, Yale. Yale Physician's Associate Program, Class of September 1973. Yale Information Technology Services: Photo & Design Center, 1971. https://collections.library.yale.edu/catalog/16788111.

APA, 6th edition

University, Y. (1971). Yale Physician's Associate Program, Class of September 1973 [Photograph]. Yale Information Technology Services: Photo & Design Center. https://collections.library.yale.edu/catalog/16788111.