MLA

Kissinger, Henry, 1923-2023. Hi. Box 453, folder 3. 1981-1982. https://collections.library.yale.edu/catalog/11777994.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 453, folder 3"])(1981-1982)[Hi]. https://collections.library.yale.edu/catalog/11777994.