MLA

Kissinger, Henry, 1923-2023. Schedule. Box 364, folder 4. 1974 October-December. https://collections.library.yale.edu/catalog/11775449.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 364, folder 4"])(1974 October-December)[Schedule]. https://collections.library.yale.edu/catalog/11775449.