MLA

Kissinger, Henry, 1923-2023. Ford, Gerald R. napping with Crisis. Box 225, folder 19. Circa 2003. https://collections.library.yale.edu/catalog/12480476.

APA, 6th edition

Kissinger, Henry, 1923-2023. (["Box 225, folder 19"])(Circa 2003)[Ford, Gerald R. napping with Crisis]. https://collections.library.yale.edu/catalog/12480476.