Geronimo Stilton. (2019). Geronimo Stilton Secret Agent (2008.). Scholastic Publications.
Chicago Style (17th ed.) CitationGeronimo Stilton. Geronimo Stilton Secret Agent. 2008. Scholastic Publications, 2019.
MLA (9th ed.) CitationGeronimo Stilton. Geronimo Stilton Secret Agent. 2008. Scholastic Publications, 2019.
Warning: These citations may not always be 100% accurate.