Perkins, Roswell B.
MLA
Kissinger, Henry, 1923-2023. Perkins, Roswell B.. Box 151, folder 6. 1962 April-1963 April. https://collections.library.yale.edu/catalog/11785009.
APA, 6th edition
Kissinger, Henry, 1923-2023. (["Box 151, folder 6"])(1962 April-1963 April)[Perkins, Roswell B.]. https://collections.library.yale.edu/catalog/11785009.