MLA

Harrington, Oliver W. (Oliver Wendell), 1912-1995. Untitled. Box 14 (Oversize). 1987 February 6. https://collections.library.yale.edu/catalog/33075731.

APA, 6th edition

Harrington, Oliver W. (Oliver Wendell), 1912-1995. (["Box 14 (Oversize)"])(1987 February 6)[Untitled]. https://collections.library.yale.edu/catalog/33075731.