MLA

Kissinger, Henry, 1923-2023. Army Area School. Box 113, folder 8. 1949. https://collections.library.yale.edu/catalog/11784306.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 113, folder 8"])(1949)[Army Area School]. https://collections.library.yale.edu/catalog/11784306.