Cite

[No. 856. Half Dome 5000 ft. from Glacier Point, Yosemite, California]

MLA

Watkins, Carleton E., 1829-1916. [No. 856. Half Dome 5000 ft. from Glacier Point, Yosemite, California]. Folder 12. 1878-1881. https://collections.library.yale.edu/catalog/2016786.

APA, 6th edition

Watkins, Carleton E., 1829-1916. (["Folder 12"])(1878-1881)[[No. 856. Half Dome 5000 ft. from Glacier Point, Yosemite, California]]. https://collections.library.yale.edu/catalog/2016786.