MLA

Day, Vincent Brooks, and litho Son. Cheyennes, Arapehoes, Comanches. 0AD. https://collections.library.yale.edu/catalog/2016487.

APA, 6th edition

Day, V. B., & Son, litho. (0 C.E.). Cheyennes, Arapehoes, Comanches [Lithographs, Planographic prints]. https://collections.library.yale.edu/catalog/2016487.