Harper and Brothers
MLA
Kissinger, Henry, 1923-2023. Harper and Brothers. Box 27, folder 20. 1957-1959. https://collections.library.yale.edu/catalog/11782823.
APA, 6th edition
Kissinger, Henry, 1923-2023. (["Box 27, folder 20"])(1957-1959)[Harper and Brothers]. https://collections.library.yale.edu/catalog/11782823.