MLA

Kissinger, Henry, 1923-2023. Harv-Hayn. Box 74, folder 3. 2003. https://collections.library.yale.edu/catalog/12481883.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 74, folder 3"])(2003)[Harv-Hayn]. https://collections.library.yale.edu/catalog/12481883.