Cite

[Photograph of soldiers, railroad tracks, tents in distance]

MLA

[Photograph of Soldiers, Railroad Tracks, Tents in Distance]. 0AD. https://collections.library.yale.edu/catalog/2017415.

APA, 6th edition

[Photograph of soldiers, railroad tracks, tents in distance]. (0 C.E.). [Photographic postcards, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017415.