Cite

30. [Headwaters of Cutbank Down the Eastern Slope.]

MLA

McClintock, Walter, 1870-1949. 30. [Headwaters of Cutbank Down the Eastern Slope.]. Box 60, folder 2968. 1941. https://collections.library.yale.edu/catalog/2008412.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 60, folder 2968"])(1941)[30. [Headwaters of Cutbank Down the Eastern Slope.]]. https://collections.library.yale.edu/catalog/2008412.