MLA

Kissinger, Henry, 1923-2023. T. Box 555, folder 3. 1980-1985. https://collections.library.yale.edu/catalog/11779483.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 555, folder 3"])(1980-1985)[T]. https://collections.library.yale.edu/catalog/11779483.