APA (7th ed.) Citation

Stilton, G. (2005). Geronimo Stilton #15: The Mona Mousa code. Scholastic.

Chicago Style (17th ed.) Citation

Stilton, Geronimo. Geronimo Stilton #15: The Mona Mousa Code. New York: Scholastic, 2005.

MLA (8th ed.) Citation

Stilton, Geronimo. Geronimo Stilton #15: The Mona Mousa Code. Scholastic, 2005.

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