Cite

427b. War Bonnet.

MLA

McClintock, Walter, 1870-1949. 427b. War Bonnet.. Box 62, folder 3152. 1940. https://collections.library.yale.edu/catalog/2009234.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 62, folder 3152"])(1940)[427b. War Bonnet.]. https://collections.library.yale.edu/catalog/2009234.