MLA

Kissinger, Henry, 1923-2023. Tuesday Public Forum, Arlington Street Church, Boston, Massachusetts, Mar 6, 1962. Box 250, folder 9. 1961 November-1962 February. https://collections.library.yale.edu/catalog/11786520.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 250, folder 9"])(1961 November-1962 February)[Tuesday Public Forum, Arlington Street Church, Boston, Massachusetts, Mar 6, 1962]. https://collections.library.yale.edu/catalog/11786520.