MLA

Kissinger, Henry, 1923-2023. Paris peace negotiations. Box 230. 1972-1973. https://collections.library.yale.edu/catalog/12480499.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 230"])(1972-1973)[Paris peace negotiations]. https://collections.library.yale.edu/catalog/12480499.