MLA

McClintock, Walter, 1870-1949. 686. [Onesta Entering Brings-Down-The-Sun's Thunder Tipi to Give Crow-Beaver Ceremony.]. Box 65, folder 3411. 1939. https://collections.library.yale.edu/catalog/2009047.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 65, folder 3411"])(1939)[686. [Onesta Entering Brings-Down-The-Sun's Thunder Tipi to Give Crow-Beaver Ceremony.]]. https://collections.library.yale.edu/catalog/2009047.