MLA

Kissinger, Henry, 1923-2023. Unidentified notes and drafts. Box 71, folder 9. Circa 1947-circa 1950. https://collections.library.yale.edu/catalog/11783770.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 71, folder 9"])(Circa 1947-circa 1950)[Unidentified notes and drafts]. https://collections.library.yale.edu/catalog/11783770.