Crow's Breast (first chief) and Lean Wolf (second chief), Gros Ventres
MLA
Crow's Breast (First Chief) and Lean Wolf (Second Chief), Gros Ventres. 0AD. https://collections.library.yale.edu/catalog/2010456.
APA, 6th edition
Crow's Breast (first chief) and Lean Wolf (second chief), Gros Ventres. (0 C.E.). [Half stereographs, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2010456.