MLA

Kissinger, Henry, 1923-2023. National Archives and Records Administration (NARA) releases of Richard Nixon tapes. Box 156, folder 9. 1971-1972, 1996-1999. https://collections.library.yale.edu/catalog/12481082.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 156, folder 9"])(1971-1972, 1996-1999)[National Archives and Records Administration (NARA) releases of Richard Nixon tapes]. https://collections.library.yale.edu/catalog/12481082.