MLA

Kissinger, Henry, 1923-2023. Contracts. Box 74, folder 6. 1953-1954. https://collections.library.yale.edu/catalog/11783812.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 74, folder 6"])(1953-1954)[Contracts]. https://collections.library.yale.edu/catalog/11783812.