MLA

Kissinger, Henry, 1923-2023. Lu. Box 317, folder 2. 1969-1973. https://collections.library.yale.edu/catalog/11774742.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 317, folder 2"])(1969-1973)[Lu]. https://collections.library.yale.edu/catalog/11774742.