De
MLA
Kissinger, Henry, 1923-2023. De. Box 2, folder 1. 2000-2001. https://collections.library.yale.edu/catalog/12482148.
APA, 6th edition
Kissinger, Henry, 1923-2023. (["Box 2, folder 1"])(2000-2001)[De]. https://collections.library.yale.edu/catalog/12482148.