MLA

Kissinger, Henry, 1923-2023. Francis Boyer Lecture, American Enterprise Institute (AEI), Washington, DC, Dec 10, 1981. Box 695, folder 13. 1981. https://collections.library.yale.edu/catalog/11781294.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 695, folder 13"])(1981)[Francis Boyer Lecture, American Enterprise Institute (AEI), Washington, DC, Dec 10, 1981]. https://collections.library.yale.edu/catalog/11781294.