MLA

Kissinger, Henry, 1923-2023. Political thought notes. Box 70, folder 3. Circa 1947-circa 1951. https://collections.library.yale.edu/catalog/11783746.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 70, folder 3"])(Circa 1947-circa 1951)[Political thought notes]. https://collections.library.yale.edu/catalog/11783746.