Cite

937. Dismounted cavalrymen on the firing line in Mexico

MLA

Service, International Film. 937. Dismounted Cavalrymen on the Firing Line in Mexico. 0AD. https://collections.library.yale.edu/catalog/2017122.

APA, 6th edition

Service, I. F. (0 C.E.). 937. Dismounted cavalrymen on the firing line in Mexico [Photographic postcards, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017122.