Cite

[Photograph of unidentified man ascending stairs and unidentified woman seated at front desk at the Beinecke]

MLA

[Photograph of Unidentified Man Ascending Stairs and Unidentified Woman Seated at Front Desk at the Beinecke]. 0AD. https://collections.library.yale.edu/catalog/2037704.

APA, 6th edition

[Photograph of unidentified man ascending stairs and unidentified woman seated at front desk at the Beinecke]. (0 C.E.). [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2037704.