MLA

Kissinger, Henry, 1923-2023. Political writings. Box 75, folder 7. Circa 1950-circa 1954. https://collections.library.yale.edu/catalog/11783820.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 75, folder 7"])(Circa 1950-circa 1954)[Political writings]. https://collections.library.yale.edu/catalog/11783820.