MLA

Kissinger, Henry, 1923-2023. Rei-Ren. Box 418, folder 8. 1978. https://collections.library.yale.edu/catalog/11777552.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 418, folder 8"])(1978)[Rei-Ren]. https://collections.library.yale.edu/catalog/11777552.