MLA

Kissinger, Henry, 1923-2023. Bo. Box 488, folder 3. 1987. https://collections.library.yale.edu/catalog/11778432.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 488, folder 3"])(1987)[Bo]. https://collections.library.yale.edu/catalog/11778432.