APA (7th ed.) Citation

Stilton, G. (2007). Geronimo Stilton #30: The Mouse Island Marathon. Scholastic.

Chicago Style (17th ed.) Citation

Stilton, Gernimo. Geronimo Stilton #30: The Mouse Island Marathon. New York: Scholastic, 2007.

MLA (8th ed.) Citation

Stilton, Gernimo. Geronimo Stilton #30: The Mouse Island Marathon. Scholastic, 2007.

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