Cite

[Photograph of unidentified Indian man, woman, and two children in front of tipi]

MLA

[Photograph of Unidentified Indian Man, Woman, and Two Children in Front of Tipi]. 0AD. https://collections.library.yale.edu/catalog/2009681.

APA, 6th edition

[Photograph of unidentified Indian man, woman, and two children in front of tipi]. (0 C.E.). [Card photographs, Cartes-de-visite, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2009681.