MLA

Kissinger, Henry, 1923-2023. Fr. Box 610, folder 4. 1988. https://collections.library.yale.edu/catalog/11780209.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 610, folder 4"])(1988)[Fr]. https://collections.library.yale.edu/catalog/11780209.