Perkins, Roswell B.
MLA
Kissinger, Henry, 1923-2023. Perkins, Roswell B.. Box 151, folder 9. 1964 March-May. https://collections.library.yale.edu/catalog/11785012.
APA, 6th edition
Kissinger, Henry, 1923-2023. (["Box 151, folder 9"])(1964 March-May)[Perkins, Roswell B.]. https://collections.library.yale.edu/catalog/11785012.