MLA

Kissinger, Henry, 1923-2023. Cu. Box 496, folder 7. 1987-1988. https://collections.library.yale.edu/catalog/11778554.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 496, folder 7"])(1987-1988)[Cu]. https://collections.library.yale.edu/catalog/11778554.