MLA

Kissinger, Henry, 1923-2023. Free, Lloyd A. and Hadley Cantril, "U.S. International Objectives in the Light of Our Purposes as Americans" [2 of 2]. Box 146, folder 11. circa 1957 February. https://collections.library.yale.edu/catalog/11784906.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 146, folder 11"])(circa 1957 February)[Free, Lloyd A. and Hadley Cantril, "U.S. International Objectives in the Light of Our Purposes as Americans" [2 of 2]]. https://collections.library.yale.edu/catalog/11784906.