MLA

Irwin, J. E. Photographs of Kiowa and Comanche Indians. Irwin, 0AD. https://collections.library.yale.edu/catalog/2014598.

APA, 6th edition

Irwin, J. E. (0 C.E.). Photographs of Kiowa and Comanche Indians [Portraits, Pictorial works, Photographic prints, Gelatin silver prints]. Irwin. https://collections.library.yale.edu/catalog/2014598.