Cite

[Photograph of F.S. Dellenbaugh and Mrs. Dellenbaugh on the Powell Memorial Monument with the flag of the Emma Dean and a copy of A Canyon Voyage].

MLA

Bros, Kolb. [Photograph of F.S. Dellenbaugh and Mrs. Dellenbaugh on the Powell Memorial Monument with the Flag of the Emma Dean and a Copy of A Canyon Voyage]. 0AD. https://collections.library.yale.edu/catalog/2018278.

APA, 6th edition

Bros, K. (0 C.E.). [Photograph of F.S. Dellenbaugh and Mrs. Dellenbaugh on the Powell Memorial Monument with the flag of the Emma Dean and a copy of A Canyon Voyage]. [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2018278.