MLA

Williams, Jonathan, 1929-2008. T0501-T0800. Box 37. 1976-1994. https://collections.library.yale.edu/catalog/2050543.

APA, 6th edition

Williams, Jonathan, 1929-2008. (["Box 37"])(1976-1994)[T0501-T0800]. https://collections.library.yale.edu/catalog/2050543.