Cite

42. [Line of Tipis on the Prairie.]

MLA

McClintock, Walter, 1870-1949. 42. [Line of Tipis on the Prairie.]. Box 70, folder 3928. 1905 1941. https://collections.library.yale.edu/catalog/2010821.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 70, folder 3928"])(1905 1941)[42. [Line of Tipis on the Prairie.]]. https://collections.library.yale.edu/catalog/2010821.