MLA

Kissinger, Henry, 1923-2023. Cordesman, Anthony. Box 30, folder 15. 2006 June-November. https://collections.library.yale.edu/catalog/12481465.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 30, folder 15"])(2006 June-November)[Cordesman, Anthony]. https://collections.library.yale.edu/catalog/12481465.