Cite

[Photograph of a surveyor on a horse]

MLA

[Photograph of a Surveyor on a Horse]. 0AD. https://collections.library.yale.edu/catalog/2014078.

APA, 6th edition

[Photograph of a surveyor on a horse]. (0 C.E.). [Photographic prints, Photographs, Snapshots]. https://collections.library.yale.edu/catalog/2014078.