By Virginia Blaisdell
MLA
Richards, Lloyd, 1919-2006. By Virginia Blaisdell. Box 142, folder 1684. 1979. https://collections.library.yale.edu/catalog/11707213.
APA, 6th edition
Richards, Lloyd, 1919-2006. (["Box 142, folder 1684"])(1979)[By Virginia Blaisdell]. https://collections.library.yale.edu/catalog/11707213.