MLA

Kissinger, Henry, 1923-2023. Ca. Box 473, folder 6. 1985. https://collections.library.yale.edu/catalog/11778240.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 473, folder 6"])(1985)[Ca]. https://collections.library.yale.edu/catalog/11778240.