Cite

Bob Avian [in his twenties?]

MLA

Bob Avian [in His Twenties?]. 0AD. https://collections.library.yale.edu/catalog/2027748.

APA, 6th edition

Bob Avian [in his twenties?]. (0 C.E.). [Photographic prints, Photographs, Studio portraits]. https://collections.library.yale.edu/catalog/2027748.