MLA

Van Vechten, Carl, 1880-1964. Archer, Osceola, with Michael Bonifazio, Helene Tsang, and Victor Wittgenstein. Box 110, folder 2020. 1943 June 21. https://collections.library.yale.edu/catalog/2020270.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 110, folder 2020"])(1943 June 21)[Archer, Osceola, with Michael Bonifazio, Helene Tsang, and Victor Wittgenstein]. https://collections.library.yale.edu/catalog/2020270.