F853. The Horse Race.
MLA
McClintock, Walter, 1870-1949. F853. The Horse Race.. Box 140, folder 6866. 1908. https://collections.library.yale.edu/catalog/10452554.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 140, folder 6866"])(1908)[F853. The Horse Race.]. https://collections.library.yale.edu/catalog/10452554.