Cite

401. [Mountain Camp on Cutbank. Headwaters of the Missouri River.]

MLA

McClintock, Walter, 1870-1949. 401. [Mountain Camp on Cutbank. Headwaters of the Missouri River.]. Box 62, folder 3123. 1940. https://collections.library.yale.edu/catalog/2009205.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 62, folder 3123"])(1940)[401. [Mountain Camp on Cutbank. Headwaters of the Missouri River.]]. https://collections.library.yale.edu/catalog/2009205.