901a. [Two Tipis Near Forest.]
MLA
McClintock, Walter, 1870-1949. 901a. [Two Tipis Near Forest.]. Box 68, folder 3707. undated. https://collections.library.yale.edu/catalog/2009884.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 68, folder 3707"])(undated)[901a. [Two Tipis Near Forest.]]. https://collections.library.yale.edu/catalog/2009884.