MLA

Kissinger, Henry, 1923-2023. Rumsfeld, Donald. Box 676, folder 4. 2003-2005. https://collections.library.yale.edu/catalog/11781019.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 676, folder 4"])(2003-2005)[Rumsfeld, Donald]. https://collections.library.yale.edu/catalog/11781019.