[Photograph of an unidentified older man]
MLA
Lewis, Jon. [Photograph of an Unidentified Older Man]. 1966. https://collections.library.yale.edu/catalog/10186960.
APA, 6th edition
Lewis, J. (1966). [Photograph of an unidentified older man] [Photographic prints.--aat, photographs (AAT), portraits (AAT)]. https://collections.library.yale.edu/catalog/10186960.