Cite

[No. 135: Photograph of tepee and tree in silhouette]

MLA

[No. 135: Photograph of Tepee and Tree in Silhouette]. 1915. https://collections.library.yale.edu/catalog/11681501.

APA, 6th edition

[No. 135: Photograph of tepee and tree in silhouette]. (1915). [Photographs]. https://collections.library.yale.edu/catalog/11681501.