MLA

Van Vechten, Carl, 1880-1964. Johnson, James Weldon. Box 94 | Folder 1672. 1932 December 3. https://collections.library.yale.edu/catalog/2019411.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 94 | Folder 1672"])(1932 December 3)[Johnson, James Weldon]. https://collections.library.yale.edu/catalog/2019411.