[Photograph of a Cavalryman and a goat]
MLA
[Photograph of a Cavalryman and a Goat]. 0AD. https://collections.library.yale.edu/catalog/2017409.
APA, 6th edition
[Photograph of a Cavalryman and a goat]. (0 C.E.). [Photographic postcards, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017409.