Cite

[Photograph of David Hockney drawing Henry Geldzahler]

MLA

[Photograph of David Hockney Drawing Henry Geldzahler]. 0AD. https://collections.library.yale.edu/catalog/2012838.

APA, 6th edition

[Photograph of David Hockney drawing Henry Geldzahler]. (0 C.E.). [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2012838.