MLA

Hutton, James D. Arapaho Chiefs. 0AD. https://collections.library.yale.edu/catalog/11427501.

APA, 6th edition

Hutton, J. D. (0 C.E.). Arapaho chiefs. [Autographs, Photographic prints, Salted paper prints]. https://collections.library.yale.edu/catalog/11427501.