MLA

McClintock, Walter, 1870-1949. G762. Cut Bank Canyon Camp. Evening After Blizzard. Golden Sunset. My Horse, Head Raised.. Box 108, folder 5027. 1906 Fall. https://collections.library.yale.edu/catalog/10450788.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 108, folder 5027"])(1906 Fall)[G762. Cut Bank Canyon Camp. Evening After Blizzard. Golden Sunset. My Horse, Head Raised.]. https://collections.library.yale.edu/catalog/10450788.