MLA

Kissinger, Henry, 1923-2023. Times Mirror. Box 502, folder 7. 1988. https://collections.library.yale.edu/catalog/11778630.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 502, folder 7"])(1988)[Times Mirror]. https://collections.library.yale.edu/catalog/11778630.