MLA

Kissinger, Henry, 1923-2023. "A Personal Diary of the 1964 Republican Convention" by Kissinger [carbon]. Box 195, folder 7. Circa 1964 July. https://collections.library.yale.edu/catalog/11785734.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 195, folder 7"])(Circa 1964 July)["A Personal Diary of the 1964 Republican Convention" by Kissinger [carbon]]. https://collections.library.yale.edu/catalog/11785734.