507a. [Two Tipis and Two Tripods Near Forest. Horses Grazing at a Distance.]
MLA
McClintock, Walter, 1870-1949. 507a. [Two Tipis and Two Tripods Near Forest. Horses Grazing at a Distance.]. Box 73, folder 4169. 1905 1941. https://collections.library.yale.edu/catalog/2010872.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 73, folder 4169"])(1905 1941)[507a. [Two Tipis and Two Tripods Near Forest. Horses Grazing at a Distance.]]. https://collections.library.yale.edu/catalog/2010872.