MLA

Kissinger, Henry, 1923-2023. Murray, John Courtney. Box 43, folder 8. 1959-1966. https://collections.library.yale.edu/catalog/11783179.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 43, folder 8"])(1959-1966)[Murray, John Courtney]. https://collections.library.yale.edu/catalog/11783179.