Cite

[Photograph of an unidentified man standing next to a chair, holding a hat]

MLA

[Photograph of an Unidentified Man Standing next to a Chair, Holding a Hat]. 0AD. https://collections.library.yale.edu/catalog/2011061.

APA, 6th edition

[Photograph of an unidentified man standing next to a chair, holding a hat]. (0 C.E.). [Card photographs, Cartes-de-visite, Photographic prints, Photographs, Studio portraits]. https://collections.library.yale.edu/catalog/2011061.