MLA

McClintock, Walter, 1870-1949. G736. Cut Bank Canyon Camp. Small Lodge. West. Two Horses Feeding. Storm Clouds.. Box 107, folder 5002. 1906 Fall. https://collections.library.yale.edu/catalog/10450762.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 107, folder 5002"])(1906 Fall)[G736. Cut Bank Canyon Camp. Small Lodge. West. Two Horses Feeding. Storm Clouds.]. https://collections.library.yale.edu/catalog/10450762.