MLA

Kissinger, Henry, 1923-2023. Dartmouth College. Box 16, folder 2. 1961-1968. https://collections.library.yale.edu/catalog/11782573.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 16, folder 2"])(1961-1968)[Dartmouth College]. https://collections.library.yale.edu/catalog/11782573.