MLA

Kissinger, Henry, 1923-2023. La. Box 549, folder 15. 2000. https://collections.library.yale.edu/catalog/11779395.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 549, folder 15"])(2000)[La]. https://collections.library.yale.edu/catalog/11779395.