Cite

G914l. Little Dog. Horseback.

MLA

McClintock, Walter, 1870-1949. G914l. Little Dog. Horseback.. Box 114, folder 5335. 1909 Summer. https://collections.library.yale.edu/catalog/10451124.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 114, folder 5335"])(1909 Summer)[G914l. Little Dog. Horseback.]. https://collections.library.yale.edu/catalog/10451124.