MLA

Polhemus, J. D. L., and artist. The First Division Volunteers Encamped at Elencerro, Mexico, under Command of Maj. Gen. Robert Patterson. F. Kuhl's lith press, 0AD. https://collections.library.yale.edu/catalog/2016603.

APA, 6th edition

Polhemus, J. D. L., & artist. (0 C.E.). The First Division Volunteers encamped at Elencerro, Mexico, under Command of Maj. Gen. Robert Patterson [Pictorial works, Lithographs]. F. Kuhl's lith press. https://collections.library.yale.edu/catalog/2016603.