MLA

Kissinger, Henry, 1923-2023. Advertisement. Box 265, folder 5. Circa 1967. https://collections.library.yale.edu/catalog/11786795.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 265, folder 5"])(Circa 1967)[Advertisement]. https://collections.library.yale.edu/catalog/11786795.