MLA

Kissinger, Henry, 1923-2023. Reed, Joseph Verner, Jr.. Box 445, folder 9. 1980 November-1981 June. https://collections.library.yale.edu/catalog/11777909.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 445, folder 9"])(1980 November-1981 June)[Reed, Joseph Verner, Jr.]. https://collections.library.yale.edu/catalog/11777909.