MLA

Kissinger, Henry, 1923-2023. La. Box 539, folder 5. 1997-1998. https://collections.library.yale.edu/catalog/11779235.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 539, folder 5"])(1997-1998)[La]. https://collections.library.yale.edu/catalog/11779235.