MLA

Kissinger, Henry, 1923-2023. Ab. Box 482, folder 5. 1986. https://collections.library.yale.edu/catalog/11778342.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 482, folder 5"])(1986)[Ab]. https://collections.library.yale.edu/catalog/11778342.