MLA

Kissinger, Henry, 1923-2023. Cordesman, Anthony. Box 18, folder 10. 2004 January-September. https://collections.library.yale.edu/catalog/12481921.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 18, folder 10"])(2004 January-September)[Cordesman, Anthony]. https://collections.library.yale.edu/catalog/12481921.