Cite

[Photograph of Henry Geldzahler in a gallery with two unidentified men]

MLA

Everett, R. [Photograph of Henry Geldzahler in a Gallery with Two Unidentified Men]. 1969. https://collections.library.yale.edu/catalog/2012840.

APA, 6th edition

Everett, R. (1969). [Photograph of Henry Geldzahler in a gallery with two unidentified men] [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2012840.