"Canon of Kanab Wash-Colorado River, looking south"
MLA
Bell, William. "Canon of Kanab Wash-Colorado River, Looking South". 0AD. https://collections.library.yale.edu/catalog/2003067.
APA, 6th edition
Bell, W. (0 C.E.). "Canon of Kanab Wash-Colorado River, looking south" [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2003067.