Cite

75. [Blackfoot Camp Under a Night Sky.]

MLA

McClintock, Walter, 1870-1949. 75. [Blackfoot Camp Under a Night Sky.]. Box 61, folder 3020. 1941. https://collections.library.yale.edu/catalog/2008463.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 61, folder 3020"])(1941)[75. [Blackfoot Camp Under a Night Sky.]]. https://collections.library.yale.edu/catalog/2008463.