MLA

Kissinger, Henry, 1923-2023. Me. Box 485, folder 7. 1985-1986. https://collections.library.yale.edu/catalog/11778390.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 485, folder 7"])(1985-1986)[Me]. https://collections.library.yale.edu/catalog/11778390.