Cite

[Photograph of an unidentified man]

MLA

[Photograph of an Unidentified Man]. 0AD. https://collections.library.yale.edu/catalog/2011066.

APA, 6th edition

[Photograph of an unidentified man]. (0 C.E.). [Card photographs, Cartes-de-visite, Photographic prints, Photographs, Studio portraits]. https://collections.library.yale.edu/catalog/2011066.