MLA

Van Vechten, Carl, 1880-1964. Colony, Horatio. Box 341 | Folder 4404. 1936 February 27. https://collections.library.yale.edu/catalog/2032091.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 341 | Folder 4404"])(1936 February 27)[Colony, Horatio]. https://collections.library.yale.edu/catalog/2032091.