Cite

22a. Gunsight Lake. Mount Jackson [Peak of Mount Jackson.]

MLA

McClintock, Walter, 1870-1949. 22a. Gunsight Lake. Mount Jackson [Peak of Mount Jackson.]. Box 60, folder 2954. 1941. https://collections.library.yale.edu/catalog/2008370.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 60, folder 2954"])(1941)[22a. Gunsight Lake. Mount Jackson [Peak of Mount Jackson.]]. https://collections.library.yale.edu/catalog/2008370.