MLA

Kissinger, Henry, 1923-2023. Schedule. Box 363, folder 3. 1971 July-December. https://collections.library.yale.edu/catalog/11775439.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 363, folder 3"])(1971 July-December)[Schedule]. https://collections.library.yale.edu/catalog/11775439.