Cite

[No. 93: Photograph of man with horse on riverbank]

MLA

[No. 93: Photograph of Man with Horse on Riverbank]. 1915. https://collections.library.yale.edu/catalog/11680678.

APA, 6th edition

[No. 93: Photograph of man with horse on riverbank]. (1915). [Photographs]. https://collections.library.yale.edu/catalog/11680678.