501b. Cut Bank Canyon Camp. Evening After Blizzard. Golden Sunset. My Horse, Picketed.
MLA
McClintock, Walter, 1870-1949. 501b. Cut Bank Canyon Camp. Evening After Blizzard. Golden Sunset. My Horse, Picketed.. Box 73, folder 4167. 1905 1941. https://collections.library.yale.edu/catalog/2010873.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 73, folder 4167"])(1905 1941)[501b. Cut Bank Canyon Camp. Evening After Blizzard. Golden Sunset. My Horse, Picketed.]. https://collections.library.yale.edu/catalog/2010873.