Cavanna, B. (1955). The first book of sea shells. F. Watts.
Chicago Style (17th ed.) CitationCavanna, Betty. The First Book of Sea Shells. New York: F. Watts, 1955.
MLA (9th ed.) CitationCavanna, Betty. The First Book of Sea Shells. F. Watts, 1955.
Warning: These citations may not always be 100% accurate.