MLA

Kissinger, Henry, 1923-2023. Renwick, Robin. Box 632, folder 12. 1995. https://collections.library.yale.edu/catalog/11780506.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 632, folder 12"])(1995)[Renwick, Robin]. https://collections.library.yale.edu/catalog/11780506.