MLA

Kissinger, Henry, 1923-2023. Chapter XII [annotated by Philip Mosely]. Box 263, folder 11. Circa 1955-circa 1957. https://collections.library.yale.edu/catalog/11786773.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 263, folder 11"])(Circa 1955-circa 1957)[Chapter XII [annotated by Philip Mosely]]. https://collections.library.yale.edu/catalog/11786773.