Cite

72, 974, 293. [Three Blackfeet on Horseback Near Three Tipis.]

MLA

McClintock, Walter, 1870-1949. 72, 974, 293. [Three Blackfeet on Horseback Near Three Tipis.]. Box 61, folder 3016. 1941. https://collections.library.yale.edu/catalog/2008459.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 61, folder 3016"])(1941)[72, 974, 293. [Three Blackfeet on Horseback Near Three Tipis.]]. https://collections.library.yale.edu/catalog/2008459.