F940. Big Moon and Walter McClintock. Sitting.
MLA
McClintock, Walter, 1870-1949. F940. Big Moon and Walter McClintock. Sitting.. Box 141, folder 7097. 1909. https://collections.library.yale.edu/catalog/10452790.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 141, folder 7097"])(1909)[F940. Big Moon and Walter McClintock. Sitting.]. https://collections.library.yale.edu/catalog/10452790.