Group photographs
MLA
Warren, Robert Penn, 1905-1989. Group photographs. Box 256, folder 4804-08. 1925-83. https://collections.library.yale.edu/catalog/2011308.
APA, 6th edition
Warren, Robert Penn, 1905-1989. (["Box 256, folder 4804-08"])(1925-83)[Group photographs]. https://collections.library.yale.edu/catalog/2011308.