MLA

Williams, Jonathan, 1929-2008. PE0001-PE0080. Box 45. circa 1955-circa 1995. https://collections.library.yale.edu/catalog/33079254.

APA, 6th edition

Williams, Jonathan, 1929-2008. (["Box 45"])(circa 1955-circa 1995)[PE0001-PE0080]. https://collections.library.yale.edu/catalog/33079254.