Cite

21b, 4437. [Looking Northeast from the Continental Divide, the Source of the Saskatchewan.]

MLA

McClintock, Walter, 1870-1949. 21b, 4437. [Looking Northeast from the Continental Divide, the Source of the Saskatchewan.]. Box 60, folder 2952. 1941. https://collections.library.yale.edu/catalog/2008368.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 60, folder 2952"])(1941)[21b, 4437. [Looking Northeast from the Continental Divide, the Source of the Saskatchewan.]]. https://collections.library.yale.edu/catalog/2008368.