MLA

Kissinger, Henry, 1923-2023. Interview notes. Box 116, folder 9. 1951 September 27-October 10. https://collections.library.yale.edu/catalog/11784359.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 116, folder 9"])(1951 September 27-October 10)[Interview notes]. https://collections.library.yale.edu/catalog/11784359.