Cite

He made a trip through Glen Canyon, Colorado River.

MLA

Kelly, Charles. He Made a Trip through Glen Canyon, Colorado River. 1932. https://collections.library.yale.edu/catalog/2018238.

APA, 6th edition

Kelly, C. (1932). He made a trip through Glen Canyon, Colorado River. [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2018238.