MLA

Kissinger, Henry, 1923-2023. Telephone. Box 323, folder 8. 1968-1973. https://collections.library.yale.edu/catalog/11774833.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 323, folder 8"])(1968-1973)[Telephone]. https://collections.library.yale.edu/catalog/11774833.