MLA

Kissinger, Henry, 1923-2023. Healey, Denis. Box 361, folder 17. Circa 1969-circa 1977. https://collections.library.yale.edu/catalog/11775404.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 361, folder 17"])(Circa 1969-circa 1977)[Healey, Denis]. https://collections.library.yale.edu/catalog/11775404.