MLA

Kissinger, Henry, 1923-2023. Mo. Box 52, folder 9. 2001-2002. https://collections.library.yale.edu/catalog/12482240.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 52, folder 9"])(2001-2002)[Mo]. https://collections.library.yale.edu/catalog/12482240.