MLA

Van Vechten, Carl, 1880-1964. "Noel". Box 68 (Oversize), folder 1124. undated. https://collections.library.yale.edu/catalog/33207277.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 68 (Oversize), folder 1124"])(undated)["Noel"]. https://collections.library.yale.edu/catalog/33207277.