MLA

Kissinger, Henry, 1923-2023. Friele, Berent. Box 22, folder 14. 1963-1967. https://collections.library.yale.edu/catalog/11782717.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 22, folder 14"])(1963-1967)[Friele, Berent]. https://collections.library.yale.edu/catalog/11782717.