APA Style

Stilton, G., Muscillo, A. (2013). Geronimo Stilton get into gear, Stilton! . New York, USA: Scholastic Inc.

MLA Style

Stilton, Geronimo., Muscillo, Alessandro. "Geronimo Stilton get into gear, Stilton!". New York, USA: Scholastic Inc, 2013. Text.