Cite

[Photograph of man fording river on horseback]

MLA

[Photograph of Man Fording River on Horseback]. 1915. https://collections.library.yale.edu/catalog/11683449.

APA, 6th edition

[Photograph of man fording river on horseback]. (1915). [Photographs, Slides (glass)]. https://collections.library.yale.edu/catalog/11683449.