van der Beugel, Ernst
MLA
Kissinger, Henry, 1923-2023. van der Beugel, Ernst. Box 61, folder 1. 1964-1965 June. https://collections.library.yale.edu/catalog/11783556.
APA, 6th edition
Kissinger, Henry, 1923-2023. (["Box 61, folder 1"])(1964-1965 June)[van der Beugel, Ernst]. https://collections.library.yale.edu/catalog/11783556.