MLA

Kissinger, Henry, 1923-2023. Europe Institute. Box 19, folder 16. 1965. https://collections.library.yale.edu/catalog/11782654.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 19, folder 16"])(1965)[Europe Institute]. https://collections.library.yale.edu/catalog/11782654.