Cite

965, SD65, 789. [Brave Dog Society. Tipis at Sunset.]

MLA

McClintock, Walter, 1870-1949. 965, SD65, 789. [Brave Dog Society. Tipis at Sunset.]. Box 68, folder 3776. undated. https://collections.library.yale.edu/catalog/2010030.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 68, folder 3776"])(undated)[965, SD65, 789. [Brave Dog Society. Tipis at Sunset.]]. https://collections.library.yale.edu/catalog/2010030.