MLA

Van Vechten, Carl, 1880-1964. Ailey, Alvin. Box 82, folder 1342. 1955 March 22. https://collections.library.yale.edu/catalog/2020141.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 82, folder 1342"])(1955 March 22)[Ailey, Alvin]. https://collections.library.yale.edu/catalog/2020141.