MLA

Kissinger, Henry, 1923-2023. Di. Box 15, folder 7. 1955-1969. https://collections.library.yale.edu/catalog/11782558.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 15, folder 7"])(1955-1969)[Di]. https://collections.library.yale.edu/catalog/11782558.