Cite

[Photograph of Mrs. Dellenbaugh on the Powell Monument, Grand Canyon].

MLA

Bros, Kolb. [Photograph of Mrs. Dellenbaugh on the Powell Monument, Grand Canyon]. 1921. https://collections.library.yale.edu/catalog/2018290.

APA, 6th edition

Bros, K. (1921). [Photograph of Mrs. Dellenbaugh on the Powell Monument, Grand Canyon]. [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2018290.