Cite

Battery A, 6th field art.

MLA

Hecox, Frank C. Battery A, 6th Field Art. 0AD. https://collections.library.yale.edu/catalog/2015348.

APA, 6th edition

Hecox, F. C. (0 C.E.). Battery A, 6th field art. [Photographic postcards, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2015348.