Y-1408. Curly Bear.
MLA
McClintock, Walter, 1870-1949. Y-1408. Curly Bear.. Box 75, folder 4381. 1905 1941. https://collections.library.yale.edu/catalog/2010520.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 75, folder 4381"])(1905 1941)[Y-1408. Curly Bear.]. https://collections.library.yale.edu/catalog/2010520.