MLA

Kissinger, Henry, 1923-2023. Be. Box 547, folder 1. 1994-2000. https://collections.library.yale.edu/catalog/11779354.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 547, folder 1"])(1994-2000)[Be]. https://collections.library.yale.edu/catalog/11779354.