"G" general
MLA
Van Thal, Herbert, 1904-1983. "G" general. Box 1, folder 45. 1943, 1947, n.d.. https://collections.library.yale.edu/catalog/16545949.
APA, 6th edition
Van Thal, Herbert, 1904-1983. (["Box 1, folder 45"])(1943, 1947, n.d.)["G" general]. https://collections.library.yale.edu/catalog/16545949.