F964d. Puppies.
MLA
McClintock, Walter, 1870-1949. F964d. Puppies.. Box 142, folder 7167. 1909. https://collections.library.yale.edu/catalog/10452860.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 142, folder 7167"])(1909)[F964d. Puppies.]. https://collections.library.yale.edu/catalog/10452860.