MLA

Hansen, Bert, 1944-. "Doctor Wiley is Entertained At Dinner.". Box 12, folder 9. 1911 November 22. https://collections.library.yale.edu/catalog/32326568.

APA, 6th edition

Hansen, Bert, 1944-. (["Box 12, folder 9"])(1911 November 22)["Doctor Wiley is Entertained At Dinner."]. https://collections.library.yale.edu/catalog/32326568.