Cite

A. The Country of the 'Blackfeet' Indians.

MLA

McClintock, Walter, 1870-1949. A. The Country of the 'Blackfeet' Indians.. Box 60, folder 2921. 1941. https://collections.library.yale.edu/catalog/33320875.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 60, folder 2921"])(1941)[A. The Country of the 'Blackfeet' Indians.]. https://collections.library.yale.edu/catalog/33320875.