MLA

Kissinger, Henry, 1923-2023. Leo Baeck Institute. Box 109, folder 8. 2005. https://collections.library.yale.edu/catalog/12479712.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 109, folder 8"])(2005)[Leo Baeck Institute]. https://collections.library.yale.edu/catalog/12479712.