Gallup, Donald
MLA
Van Vechten, Carl, 1880-1964. Gallup, Donald. Box 349 | Folder 4631. 1947 September 18. https://collections.library.yale.edu/catalog/2034966.
APA, 6th edition
Van Vechten, Carl, 1880-1964. (["Box 349 | Folder 4631"])(1947 September 18)[Gallup, Donald]. https://collections.library.yale.edu/catalog/2034966.