F953. Little Otter. Mad Wolf's Grandson.
MLA
McClintock, Walter, 1870-1949. F953. Little Otter. Mad Wolf's Grandson.. Box 142, folder 7137. 1909. https://collections.library.yale.edu/catalog/10452830.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 142, folder 7137"])(1909)[F953. Little Otter. Mad Wolf's Grandson.]. https://collections.library.yale.edu/catalog/10452830.