MLA

Kissinger, Henry, 1923-2023. Logic notes. Box 68, folder 14. Circa 1947-circa 1950. https://collections.library.yale.edu/catalog/11783720.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 68, folder 14"])(Circa 1947-circa 1950)[Logic notes]. https://collections.library.yale.edu/catalog/11783720.