MLA

Kissinger, Henry, 1923-2023. Gordon, Lincoln. Box 25, folder 12. 1955-1967. https://collections.library.yale.edu/catalog/11782771.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 25, folder 12"])(1955-1967)[Gordon, Lincoln]. https://collections.library.yale.edu/catalog/11782771.