Geronimo Stilton. (2015). Geronimo Stilton Back in Time , The Second journey Through Time (2015.). Scholastic Publications.
Čikaški stil citiranja (17. izdanje)Geronimo Stilton. Geronimo Stilton Back in Time , The Second Journey Through Time. 2015. Scholastic Publications, 2015.
MLA način citiranja (9. izdanje)Geronimo Stilton. Geronimo Stilton Back in Time , The Second Journey Through Time. 2015. Scholastic Publications, 2015.
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