MLA

Kissinger, Henry, 1923-2023. Keezer, Dexter Merriam, "Foundations of America's Economic Greatness". Box 288, folder 11. Circa 1955-circa 1968. https://collections.library.yale.edu/catalog/11787185.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 288, folder 11"])(Circa 1955-circa 1968)[Keezer, Dexter Merriam, "Foundations of America's Economic Greatness"]. https://collections.library.yale.edu/catalog/11787185.