MLA

Kissinger, Henry, 1923-2023. Am. Box 116, folder 2. 2004-2006. https://collections.library.yale.edu/catalog/12479650.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 116, folder 2"])(2004-2006)[Am]. https://collections.library.yale.edu/catalog/12479650.