MLA

Kissinger, Henry, 1923-2023. Federal City Club. Box 20, folder 8. 1966-1968. https://collections.library.yale.edu/catalog/11782667.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 20, folder 8"])(1966-1968)[Federal City Club]. https://collections.library.yale.edu/catalog/11782667.