MLA

Kissinger, Henry, 1923-2023. Bowles, Chester. Box 98, folder 8. 1961. https://collections.library.yale.edu/catalog/11784080.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 98, folder 8"])(1961)[Bowles, Chester]. https://collections.library.yale.edu/catalog/11784080.