MLA

Kissinger, Henry, 1923-2023. Stu. Box 322, folder 10. 1969-1975. https://collections.library.yale.edu/catalog/11774821.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 322, folder 10"])(1969-1975)[Stu]. https://collections.library.yale.edu/catalog/11774821.