MLA

Kissinger, Henry, 1923-2023. "The Future of America's Foreign Policy," Chicago Council on Foreign Relations (CFR) and the Mid-America Committee, Jul 6, 1976. Box 392, folder 5. 1976. https://collections.library.yale.edu/catalog/11775759.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 392, folder 5"])(1976)["The Future of America's Foreign Policy," Chicago Council on Foreign Relations (CFR) and the Mid-America Committee, Jul 6, 1976]. https://collections.library.yale.edu/catalog/11775759.