MLA

Lee, Richard C. (Richard Charles), 1916-2003. Miscellaneous. Box 143, folder 2454. 1965. https://collections.library.yale.edu/catalog/10015075.

APA, 6th edition

Lee, Richard C. (Richard Charles), 1916-2003. (["Box 143, folder 2454"])(1965)[Miscellaneous]. https://collections.library.yale.edu/catalog/10015075.