MLA

Kissinger, Henry, 1923-2023. Bo. Box 495, folder 11. 1987-1988. https://collections.library.yale.edu/catalog/11778544.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 495, folder 11"])(1987-1988)[Bo]. https://collections.library.yale.edu/catalog/11778544.