MLA

Marquand, John P. (John Phillips), 1893-1960. Book-of-the-Month Club meeting: photograph of painting from the mid-1940s by Joseph Hirsch. Box 51, folder 1156. n.d.. https://collections.library.yale.edu/catalog/2019812.

APA, 6th edition

Marquand, John P. (John Phillips), 1893-1960. (["Box 51, folder 1156"])(n.d.)[Book-of-the-Month Club meeting: photograph of painting from the mid-1940s by Joseph Hirsch]. https://collections.library.yale.edu/catalog/2019812.