Cite

619. [Northern Rocky Mountains with Missouri River.]

MLA

McClintock, Walter, 1870-1949. 619. [Northern Rocky Mountains with Missouri River.]. Box 64, folder 3339. 1939. https://collections.library.yale.edu/catalog/2008969.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 64, folder 3339"])(1939)[619. [Northern Rocky Mountains with Missouri River.]]. https://collections.library.yale.edu/catalog/2008969.