MLA

Kissinger, Henry, 1923-2023. Bailey, Douglas. Box 7, folder 7. 1960-1964. https://collections.library.yale.edu/catalog/11782385.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 7, folder 7"])(1960-1964)[Bailey, Douglas]. https://collections.library.yale.edu/catalog/11782385.