MLA

Kissinger, Henry, 1923-2023. Dr. Box 496, folder 11. 1987-1988. https://collections.library.yale.edu/catalog/11778558.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 496, folder 11"])(1987-1988)[Dr]. https://collections.library.yale.edu/catalog/11778558.