Welling, Dolf
MLA
Jong, Jacqueline de, 1939-. Welling, Dolf. Box 9, folder 248-249. 1964–1968. https://collections.library.yale.edu/catalog/16721042.
APA, 6th edition
Jong, Jacqueline de, 1939-. (["Box 9, folder 248-249"])(1964–1968)[Welling, Dolf]. https://collections.library.yale.edu/catalog/16721042.