MLA

Van Vechten, Carl, 1880-1964. Nugent, Bruce. Box 100 | Folder 1785. 1936 February 16. https://collections.library.yale.edu/catalog/2021111.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 100 | Folder 1785"])(1936 February 16)[Nugent, Bruce]. https://collections.library.yale.edu/catalog/2021111.