MLA

Kissinger, Henry, 1923-2023. I. Box 531, folder 10. 1995-1997. https://collections.library.yale.edu/catalog/11779108.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 531, folder 10"])(1995-1997)[I]. https://collections.library.yale.edu/catalog/11779108.