MLA

Van Vechten, Carl, 1880-1964. Jones, Robert Earl, as Young Man in Don't You Want To Be Free?, musical pageant by Langston Hughes. Box 94, folder 1681. 1938 June 23. https://collections.library.yale.edu/catalog/2025686.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 94, folder 1681"])(1938 June 23)[Jones, Robert Earl, as Young Man in Don't You Want To Be Free?, musical pageant by Langston Hughes]. https://collections.library.yale.edu/catalog/2025686.