G655. Rockies Next to Two Medicine Pass.
MLA
McClintock, Walter, 1870-1949. G655. Rockies Next to Two Medicine Pass.. Box 106, folder 4964. 1906 Spring. https://collections.library.yale.edu/catalog/10450719.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 106, folder 4964"])(1906 Spring)[G655. Rockies Next to Two Medicine Pass.]. https://collections.library.yale.edu/catalog/10450719.