MLA

Kissinger, Henry, 1923-2023. Gl. Box 452, folder 3. 1982. https://collections.library.yale.edu/catalog/11777983.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 452, folder 3"])(1982)[Gl]. https://collections.library.yale.edu/catalog/11777983.