MLA

Van Vechten, Carl, 1880-1964. White, Walter. Box 109 | Folder 1987. 1935 January 9. https://collections.library.yale.edu/catalog/2028667.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 109 | Folder 1987"])(1935 January 9)[White, Walter]. https://collections.library.yale.edu/catalog/2028667.