MLA

Williams, Jonathan, 1929-2008. T1911-T2192. Box 42. 1976-1994. https://collections.library.yale.edu/catalog/2051952.

APA, 6th edition

Williams, Jonathan, 1929-2008. (["Box 42"])(1976-1994)[T1911-T2192]. https://collections.library.yale.edu/catalog/2051952.