MLA

Kissinger, Henry, 1923-2023. Cr. Box 496, folder 6. 1987-1988. https://collections.library.yale.edu/catalog/11778553.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 496, folder 6"])(1987-1988)[Cr]. https://collections.library.yale.edu/catalog/11778553.