MLA

Kissinger, Henry, 1923-2023. Yamato, Hiroshi. Box 64, folder 10. 1968. https://collections.library.yale.edu/catalog/11783648.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 64, folder 10"])(1968)[Yamato, Hiroshi]. https://collections.library.yale.edu/catalog/11783648.