Cite

201. [Blackfeet Country of Northwestern Montana.]

MLA

McClintock, Walter, 1870-1949. 201. [Blackfeet Country of Northwestern Montana.]. Box 61, folder 3029. 1938. https://collections.library.yale.edu/catalog/2008474.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 61, folder 3029"])(1938)[201. [Blackfeet Country of Northwestern Montana.]]. https://collections.library.yale.edu/catalog/2008474.