MLA

Kissinger, Henry, 1923-2023. Cordesman, Anthony. Box 14, folder 6. 1961-1964. https://collections.library.yale.edu/catalog/11782535.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 14, folder 6"])(1961-1964)[Cordesman, Anthony]. https://collections.library.yale.edu/catalog/11782535.