MLA

Kissinger, Henry, 1923-2023. Pa. Box 485, folder 12. 1985-1986. https://collections.library.yale.edu/catalog/11778395.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 485, folder 12"])(1985-1986)[Pa]. https://collections.library.yale.edu/catalog/11778395.