F842a. The Three Chiefs.
MLA
McClintock, Walter, 1870-1949. F842a. The Three Chiefs.. Box 140, folder 6839. 1908. https://collections.library.yale.edu/catalog/10452526.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 140, folder 6839"])(1908)[F842a. The Three Chiefs.]. https://collections.library.yale.edu/catalog/10452526.