MLA

Kissinger, Henry, 1923-2023. Mc. Box 3, folder 15. 2001-2002. https://collections.library.yale.edu/catalog/12481755.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 3, folder 15"])(2001-2002)[Mc]. https://collections.library.yale.edu/catalog/12481755.