207, SD56. [Blackfeet Gathering Inside Camp.]
MLA
McClintock, Walter, 1870-1949. 207, SD56. [Blackfeet Gathering Inside Camp.]. Box 61, folder 3035. 1938. https://collections.library.yale.edu/catalog/2008480.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 61, folder 3035"])(1938)[207, SD56. [Blackfeet Gathering Inside Camp.]]. https://collections.library.yale.edu/catalog/2008480.