Cite

[H.O. Dellenbaugh and an unidentified woman and man on the Powell Monument, Grand Canyon].

MLA

Bros, Kolb. [H.O. Dellenbaugh and an Unidentified Woman and Man on the Powell Monument, Grand Canyon]. 1921. https://collections.library.yale.edu/catalog/2018283.

APA, 6th edition

Bros, K. (1921). [H.O. Dellenbaugh and an unidentified woman and man on the Powell Monument, Grand Canyon]. [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2018283.