MLA

Kissinger, Henry, 1923-2023. We. Box 420, folder 8. 1978. https://collections.library.yale.edu/catalog/11777585.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 420, folder 8"])(1978)[We]. https://collections.library.yale.edu/catalog/11777585.