View down the Valley from Union Pt. Yosemite
MLA
Watkins, Carleton E., 1829-1916. View down the Valley from Union Pt. Yosemite. Watkins 1. [188-?]. https://collections.library.yale.edu/catalog/2057014.
APA, 6th edition
Watkins, Carleton E., 1829-1916. (["Watkins 1"])([188-?])[View down the Valley from Union Pt. Yosemite]. https://collections.library.yale.edu/catalog/2057014.