MLA

Kissinger, Henry, 1923-2023. Landy, Edward. Box 37, folder 15. 1965. https://collections.library.yale.edu/catalog/11783052.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 37, folder 15"])(1965)[Landy, Edward]. https://collections.library.yale.edu/catalog/11783052.