MLA

Kissinger, Henry, 1923-2023. Rockefeller, David. Box 429, folder 14. 1979. https://collections.library.yale.edu/catalog/11777712.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 429, folder 14"])(1979)[Rockefeller, David]. https://collections.library.yale.edu/catalog/11777712.