Cite

Location of the Powell Memorial Monument, Grand Canyon

MLA

Location of the Powell Memorial Monument, Grand Canyon. 0AD. https://collections.library.yale.edu/catalog/2025275.

APA, 6th edition

Location of the Powell Memorial Monument, Grand Canyon. (0 C.E.). [Photographic prints, Photographs, Snapshots]. https://collections.library.yale.edu/catalog/2025275.