MLA

Kissinger, Henry, 1923-2023. Do. Box 91, folder 8. 2004. https://collections.library.yale.edu/catalog/12479517.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 91, folder 8"])(2004)[Do]. https://collections.library.yale.edu/catalog/12479517.