MLA

Kissinger, Henry, 1923-2023. Fa. Box 310, folder 3. 1969-1973. https://collections.library.yale.edu/catalog/11774633.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 310, folder 3"])(1969-1973)[Fa]. https://collections.library.yale.edu/catalog/11774633.