F6107. Horse Herds. Herders at a Gallop.
MLA
McClintock, Walter, 1870-1949. F6107. Horse Herds. Herders at a Gallop.. Box 137, folder 6393. 1906 Spring. https://collections.library.yale.edu/catalog/10452078.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 137, folder 6393"])(1906 Spring)[F6107. Horse Herds. Herders at a Gallop.]. https://collections.library.yale.edu/catalog/10452078.