MLA

Kissinger, Henry, 1923-2023. Brennan, Lorna. Box 86, folder 7. 1955-1965. https://collections.library.yale.edu/catalog/11783925.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 86, folder 7"])(1955-1965)[Brennan, Lorna]. https://collections.library.yale.edu/catalog/11783925.