MLA

Kissinger, Henry, 1923-2023. Panel on Wilsonian diplomacy, American Political Science Association (APSA), Sep 6-8, 1956. Box 241, folder 6. 1956 March-September. https://collections.library.yale.edu/catalog/11786353.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 241, folder 6"])(1956 March-September)[Panel on Wilsonian diplomacy, American Political Science Association (APSA), Sep 6-8, 1956]. https://collections.library.yale.edu/catalog/11786353.