MLA

Kissinger, Henry, 1923-2023. Osgood, Robert and School of Advanced International Studies (SAIS) students, Nov 16, 1970. Box 354, folder 26. 1970. https://collections.library.yale.edu/catalog/11775319.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 354, folder 26"])(1970)[Osgood, Robert and School of Advanced International Studies (SAIS) students, Nov 16, 1970]. https://collections.library.yale.edu/catalog/11775319.