MLA

Kissinger, Henry, 1923-2023. Daedalus. Box 15, folder 11. 1959-1960. https://collections.library.yale.edu/catalog/11782562.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 15, folder 11"])(1959-1960)[Daedalus]. https://collections.library.yale.edu/catalog/11782562.