MLA

Kissinger, Henry, 1923-2023. Rumsfeld, Donald. Box 16, folder 1. 2003 October-December. https://collections.library.yale.edu/catalog/12480625.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 16, folder 1"])(2003 October-December)[Rumsfeld, Donald]. https://collections.library.yale.edu/catalog/12480625.