MLA

Kissinger, Henry, 1923-2023. Chapter I [typescript]. Box 258, folder 7. Circa 1960. https://collections.library.yale.edu/catalog/11786715.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 258, folder 7"])(Circa 1960)[Chapter I [typescript]]. https://collections.library.yale.edu/catalog/11786715.