Photographs
MLA
Symons, Arthur, 1865-1945. Photographs. Box 1, folder 20. n.d.. https://collections.library.yale.edu/catalog/16495670.
APA, 6th edition
Symons, Arthur, 1865-1945. (["Box 1, folder 20"])(n.d.)[Photographs]. https://collections.library.yale.edu/catalog/16495670.