Cite

31. [Cutbank Trail.]

MLA

McClintock, Walter, 1870-1949. 31. [Cutbank Trail.]. Box 60, folder 2969. 1941. https://collections.library.yale.edu/catalog/2008413.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 60, folder 2969"])(1941)[31. [Cutbank Trail.]]. https://collections.library.yale.edu/catalog/2008413.