Cite

G914h. Three Chiefs. Horseback.

MLA

McClintock, Walter, 1870-1949. G914h. Three Chiefs. Horseback.. Box 114, folder 5333. 1909 Summer. https://collections.library.yale.edu/catalog/10451122.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 114, folder 5333"])(1909 Summer)[G914h. Three Chiefs. Horseback.]. https://collections.library.yale.edu/catalog/10451122.