MLA

Richards, Lloyd, 1919-2006. Tony Awards. Box 145, folder 1751-1752. 1987, 1991,undated. https://collections.library.yale.edu/catalog/16836377.

APA, 6th edition

Richards, Lloyd, 1919-2006. (["Box 145, folder 1751-1752"])(1987, 1991,undated)[Tony Awards]. https://collections.library.yale.edu/catalog/16836377.