MLA

Kissinger, Henry, 1923-2023. Moscow trip notes. Box 156, folder 8. 1987 February. https://collections.library.yale.edu/catalog/12481080.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 156, folder 8"])(1987 February)[Moscow trip notes]. https://collections.library.yale.edu/catalog/12481080.