F6885. Park. Head of Canyon. Storm Ready to Break. West.
MLA
McClintock, Walter, 1870-1949. F6885. Park. Head of Canyon. Storm Ready to Break. West.. Box 138, folder 6591. 1906 Fall. https://collections.library.yale.edu/catalog/10452277.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 138, folder 6591"])(1906 Fall)[F6885. Park. Head of Canyon. Storm Ready to Break. West.]. https://collections.library.yale.edu/catalog/10452277.