MLA

Kissinger, Henry, 1923-2023. Brown University. Box 482, folder 16. 1986. https://collections.library.yale.edu/catalog/11778353.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 482, folder 16"])(1986)[Brown University]. https://collections.library.yale.edu/catalog/11778353.