MLA

Kissinger, Henry, 1923-2023. Roosevelt, Eleanor. Box 52, folder 2. 1959-1962. https://collections.library.yale.edu/catalog/11783364.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 52, folder 2"])(1959-1962)[Roosevelt, Eleanor]. https://collections.library.yale.edu/catalog/11783364.