Math notes
MLA
Kissinger, Henry, 1923-2023. Math notes. Box 68, folder 15. Circa 1947-circa 1950. https://collections.library.yale.edu/catalog/11783721.
APA, 6th edition
Kissinger, Henry, 1923-2023. (["Box 68, folder 15"])(Circa 1947-circa 1950)[Math notes]. https://collections.library.yale.edu/catalog/11783721.