MLA

Kissinger, Henry, 1923-2023. Kissinger calendar notes. Box 136, folder 8. Circa 1957. https://collections.library.yale.edu/catalog/11784741.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 136, folder 8"])(Circa 1957)[Kissinger calendar notes]. https://collections.library.yale.edu/catalog/11784741.