APA Style

Stilton, G., Facciotto, G. (2012). Geronimo Stilton i'm a scaredy-mouse! . New York, USA: Scholastic Inc.

MLA Style

Stilton, Geronimo., Facciotto, Giuseppe. "Geronimo Stilton i'm a scaredy-mouse!". New York, USA: Scholastic Inc, 2012. Text.