MLA

Kissinger, Henry, 1923-2023. Roosevelt, Edith K.. Box 52, folder 1. 1964-1966. https://collections.library.yale.edu/catalog/11783363.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 52, folder 1"])(1964-1966)[Roosevelt, Edith K.]. https://collections.library.yale.edu/catalog/11783363.