Cite

Some of the 1931 graduates (men only)

MLA

Some of the 1931 Graduates (Men Only). 1931. https://collections.library.yale.edu/catalog/12374812.

APA, 6th edition

Some of the 1931 graduates (men only). (1931). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12374812.