MLA

Caples, Robert Cole, and artist. Portrait of a Paiute Man. University of Nevada Press, 0AD. https://collections.library.yale.edu/catalog/2016472.

APA, 6th edition

Caples, R. C., & artist. (0 C.E.). Portrait of a Paiute man [Portraits, Rotogravures]. University of Nevada Press. https://collections.library.yale.edu/catalog/2016472.