Cite

Y-1223. River Up Canyon. From Gravel Bar. Looking East.

MLA

McClintock, Walter, 1870-1949. Y-1223. River Up Canyon. From Gravel Bar. Looking East.. Box 75, folder 4352. 1905 1941. https://collections.library.yale.edu/catalog/2010811.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 75, folder 4352"])(1905 1941)[Y-1223. River Up Canyon. From Gravel Bar. Looking East.]. https://collections.library.yale.edu/catalog/2010811.