MLA

Kissinger, Henry, 1923-2023. Bhattacharya, Bhabani. Box 8, folder 19. 1960-1966. https://collections.library.yale.edu/catalog/11782417.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 8, folder 19"])(1960-1966)[Bhattacharya, Bhabani]. https://collections.library.yale.edu/catalog/11782417.