MLA

Kissinger, Henry, 1923-2023. Hu. Box 120, folder 4. 2005-2006. https://collections.library.yale.edu/catalog/12479475.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 120, folder 4"])(2005-2006)[Hu]. https://collections.library.yale.edu/catalog/12479475.