MLA

McClintock, Walter, 1870-1949. G1212. Painting Eagle Tipi.. Box 118, folder 5561. 1912. https://collections.library.yale.edu/catalog/10451397.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 118, folder 5561"])(1912)[G1212. Painting Eagle Tipi.]. https://collections.library.yale.edu/catalog/10451397.