MLA

McClintock, Walter, 1870-1949. G709. Cut Bank Canyon Camp. Two Lodges. Between Two Peaks. Gathering Storm.. Box 107, folder 4975. 1906 Fall. https://collections.library.yale.edu/catalog/10450734.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 107, folder 4975"])(1906 Fall)[G709. Cut Bank Canyon Camp. Two Lodges. Between Two Peaks. Gathering Storm.]. https://collections.library.yale.edu/catalog/10450734.