MLA

Kissinger, Henry, 1923-2023. Georgetown University lectures. Box 199, folder 2. 1980. https://collections.library.yale.edu/catalog/12480742.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 199, folder 2"])(1980)[Georgetown University lectures]. https://collections.library.yale.edu/catalog/12480742.