MLA

Van Vechten, Carl, 1880-1964. Langner, Lawrence, and Armina Marshall. Box 360 | Folder 4943. 1934 February 13. https://collections.library.yale.edu/catalog/2056038.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 360 | Folder 4943"])(1934 February 13)[Langner, Lawrence, and Armina Marshall]. https://collections.library.yale.edu/catalog/2056038.