MLA

Kissinger, Henry, 1923-2023. Breakfast meeting with Godfrey Sperling's press group, National Press Club, Aug 5, 1970. Box 380, folder 3. 1970. https://collections.library.yale.edu/catalog/11775646.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 380, folder 3"])(1970)[Breakfast meeting with Godfrey Sperling's press group, National Press Club, Aug 5, 1970]. https://collections.library.yale.edu/catalog/11775646.