MLA

Kissinger, Henry, 1923-2023. Rumsfeld, Donald. Box 632, folder 14. 2004. https://collections.library.yale.edu/catalog/11780508.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 632, folder 14"])(2004)[Rumsfeld, Donald]. https://collections.library.yale.edu/catalog/11780508.