Engraving by Mary Wykeham
MLA
Ford, Charles Henri, 1908-2002. Engraving by Mary Wykeham. Box 4, folder 226. n.d.. https://collections.library.yale.edu/catalog/16029850.
APA, 6th edition
Ford, Charles Henri, 1908-2002. (["Box 4, folder 226"])(n.d.)[Engraving by Mary Wykeham]. https://collections.library.yale.edu/catalog/16029850.