MLA

Kissinger, Henry, 1923-2023. Bi. Box 504, folder 4. 1988-1989. https://collections.library.yale.edu/catalog/11778652.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 504, folder 4"])(1988-1989)[Bi]. https://collections.library.yale.edu/catalog/11778652.