MLA

Kissinger, Henry, 1923-2023. Alfalfa Club dinner. Box 773, folder 7. 1978 January 21. https://collections.library.yale.edu/catalog/11776644.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 773, folder 7"])(1978 January 21)[Alfalfa Club dinner]. https://collections.library.yale.edu/catalog/11776644.