Cite

[Photograph of Cavalry and artillery]

MLA

[Photograph of Cavalry and Artillery]. 0AD. https://collections.library.yale.edu/catalog/2017394.

APA, 6th edition

[Photograph of Cavalry and artillery]. (0 C.E.). [Photographic postcards, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017394.