MLA

Van Vechten, Carl, 1880-1964. Jackman, Harold. Box 94 | Folder 1651. 1935 December 27. https://collections.library.yale.edu/catalog/2024100.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 94 | Folder 1651"])(1935 December 27)[Jackman, Harold]. https://collections.library.yale.edu/catalog/2024100.