Cite

[Photograph of six children and a tethered horse]

MLA

[Photograph of Six Children and a Tethered Horse]. 0AD. https://collections.library.yale.edu/catalog/2013768.

APA, 6th edition

[Photograph of six children and a tethered horse]. (0 C.E.). [Photographic prints, Photographs, Snapshots]. https://collections.library.yale.edu/catalog/2013768.