MLA

Kissinger, Henry, 1923-2023. Stanford Research Institute. Box 56, folder 12. 1957-1959. https://collections.library.yale.edu/catalog/11783468.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 56, folder 12"])(1957-1959)[Stanford Research Institute]. https://collections.library.yale.edu/catalog/11783468.