MLA

Kissinger, Henry, 1923-2023. D. Box 555, folder 13. 1986. https://collections.library.yale.edu/catalog/11779494.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 555, folder 13"])(1986)[D]. https://collections.library.yale.edu/catalog/11779494.