MLA

Kissinger, Henry, 1923-2023. USSR World Influence Section. Box 116, folder 4. 1949. https://collections.library.yale.edu/catalog/11784353.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 116, folder 4"])(1949)[USSR World Influence Section]. https://collections.library.yale.edu/catalog/11784353.