GS-26. Bald Eagle Tipi, Big Moon Smoking Pipe.
MLA
McClintock, Walter, 1870-1949. GS-26. Bald Eagle Tipi, Big Moon Smoking Pipe.. Box 121, folder 5658. undated. https://collections.library.yale.edu/catalog/10453346.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 121, folder 5658"])(undated)[GS-26. Bald Eagle Tipi, Big Moon Smoking Pipe.]. https://collections.library.yale.edu/catalog/10453346.