MLA

Kissinger, Henry, 1923-2023. T. Box 635, folder 3. 1982. https://collections.library.yale.edu/catalog/11780549.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 635, folder 3"])(1982)[T]. https://collections.library.yale.edu/catalog/11780549.