MLA

Kissinger, Henry, 1923-2023. Ma. Box 597, folder 8. 1995. https://collections.library.yale.edu/catalog/11780048.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 597, folder 8"])(1995)[Ma]. https://collections.library.yale.edu/catalog/11780048.