Illustrations for Madeline and the bad hat
MLA
Bemelmans, Ludwig, 1898-1962. Illustrations for Madeline and the bad hat. Box 1 | Folder 3. circa 1956. https://collections.library.yale.edu/catalog/15510534.
APA, 6th edition
Bemelmans, Ludwig, 1898-1962. (["Box 1 | Folder 3"])(circa 1956)[Illustrations for Madeline and the bad hat]. https://collections.library.yale.edu/catalog/15510534.