MLA

Van Vechten, Carl, 1880-1964. Roll Number XIII h. Box 570 | Folder 10779. 1935 May 3-9. https://collections.library.yale.edu/catalog/2043809.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 570 | Folder 10779"])(1935 May 3-9)[Roll Number XIII h]. https://collections.library.yale.edu/catalog/2043809.