MLA

Kissinger, Henry, 1923-2023. East-West relations. Box 196, folder 31. 1963 October. https://collections.library.yale.edu/catalog/11785772.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 196, folder 31"])(1963 October)[East-West relations]. https://collections.library.yale.edu/catalog/11785772.