Cite

[Photograph of tipis at Blackfeet Indian Reservation]

MLA

[Photograph of Tipis at Blackfeet Indian Reservation]. 1937. https://collections.library.yale.edu/catalog/2014254.

APA, 6th edition

[Photograph of tipis at Blackfeet Indian Reservation]. (1937). [Photographic prints, Photographs, Snapshots]. https://collections.library.yale.edu/catalog/2014254.