MLA

Kissinger, Henry, 1923-2023. Contracts notes. Box 74, folder 7. Circa 1950-circa 1955. https://collections.library.yale.edu/catalog/11783813.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 74, folder 7"])(Circa 1950-circa 1955)[Contracts notes]. https://collections.library.yale.edu/catalog/11783813.