MLA

Kissinger, Henry, 1923-2023. Fort Benning. Box 222, folder 8. 1968 February 13. https://collections.library.yale.edu/catalog/12482113.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 222, folder 8"])(1968 February 13)[Fort Benning]. https://collections.library.yale.edu/catalog/12482113.