MLA

Kissinger, Henry, 1923-2023. Billotte, Pierre. Box 8, folder 21. 1959. https://collections.library.yale.edu/catalog/11782419.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 8, folder 21"])(1959)[Billotte, Pierre]. https://collections.library.yale.edu/catalog/11782419.