Cite

[Photograph of military encampment]

MLA

[Photograph of Military Encampment]. 0AD. https://collections.library.yale.edu/catalog/2017417.

APA, 6th edition

[Photograph of military encampment]. (0 C.E.). [Photographic postcards, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017417.