MLA

Kissinger, Henry, 1923-2023. Do. Box 15, folder 8. 1952-1969. https://collections.library.yale.edu/catalog/11782559.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 15, folder 8"])(1952-1969)[Do]. https://collections.library.yale.edu/catalog/11782559.