MLA

Kissinger, Henry, 1923-2023. F. Box 553, folder 17. 1985-1986. https://collections.library.yale.edu/catalog/11779461.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 553, folder 17"])(1985-1986)[F]. https://collections.library.yale.edu/catalog/11779461.