MLA

Kissinger, Henry, 1923-2023. Miscellaneous papers. Box 102, folder 4. 1966. https://collections.library.yale.edu/catalog/11784166.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 102, folder 4"])(1966)[Miscellaneous papers]. https://collections.library.yale.edu/catalog/11784166.