Washington Service Bureau, Inc.
MLA
Kissinger, Henry, 1923-2023. Washington Service Bureau, Inc.. Box 62, folder 21. 1968. https://collections.library.yale.edu/catalog/11783600.
APA, 6th edition
Kissinger, Henry, 1923-2023. (["Box 62, folder 21"])(1968)[Washington Service Bureau, Inc.]. https://collections.library.yale.edu/catalog/11783600.