APA (7th ed.) Citation

Cavanna, B. (1949). The green island mystery. Grosset & Dunlap.

Chicago Style (17th ed.) Citation

Cavanna, Betty. The Green Island Mystery. New York: Grosset & Dunlap, 1949.

MLA (9th ed.) Citation

Cavanna, Betty. The Green Island Mystery. Grosset & Dunlap, 1949.

Warning: These citations may not always be 100% accurate.