MLA

Kissinger, Henry, 1923-2023. Schm-Scho. Box 532, folder 14. 1996. https://collections.library.yale.edu/catalog/11779127.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 532, folder 14"])(1996)[Schm-Scho]. https://collections.library.yale.edu/catalog/11779127.