Cite

Yale College class photographs

MLA

Pickens, William, 1881-1954. Yale College class photographs. Box 6 (Oversize). 1949 1950. https://collections.library.yale.edu/catalog/11870146.

APA, 6th edition

Pickens, William, 1881-1954. (["Box 6 (Oversize)"])(1949 1950)[Yale College class photographs]. https://collections.library.yale.edu/catalog/11870146.