MLA

Sagosta Caddo : Weight 465 Lbs., Anadarko, Okla. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/2015638.

APA, 6th edition

Sagosta Caddo : weight 465 lbs., Anadarko, Okla. (0 C.E.). [Portraits, Pictorial works, Halftone photomechanical prints]. publisher not identified. https://collections.library.yale.edu/catalog/2015638.