MLA

Van Thal, Herbert, 1904-1983. Shawe-Taylor, Desmond. Box 2, folder 112. 1962 Nov 21. https://collections.library.yale.edu/catalog/16546016.

APA, 6th edition

Van Thal, Herbert, 1904-1983. (["Box 2, folder 112"])(1962 Nov 21)[Shawe-Taylor, Desmond]. https://collections.library.yale.edu/catalog/16546016.