Cite

Group photos

MLA

Lewis, Sinclair, 1885-1951. Group photos. Box 54, folder 780. undated. https://collections.library.yale.edu/catalog/10516623.

APA, 6th edition

Lewis, Sinclair, 1885-1951. (["Box 54, folder 780"])(undated)[Group photos]. https://collections.library.yale.edu/catalog/10516623.