MLA

Kissinger, Henry, 1923-2023. Eighth Student Conference on United States Affairs, United States Military Academy, Dec 5-8, 1956. Box 93, folder 4. 1957. https://collections.library.yale.edu/catalog/11784013.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 93, folder 4"])(1957)[Eighth Student Conference on United States Affairs, United States Military Academy, Dec 5-8, 1956]. https://collections.library.yale.edu/catalog/11784013.