MLA

Kissinger, Henry, 1923-2023. General. Box 78, folder 7. 1968-1969. https://collections.library.yale.edu/catalog/11783841.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 78, folder 7"])(1968-1969)[General]. https://collections.library.yale.edu/catalog/11783841.