APA način citiranja (7. izdanje)

Gaarder, J., & Moller, P. (1991). Sophie's world: A novel about the history of philosophy. Phoenix.

Čikaški stil citiranja (17. izdanje)

Gaarder, Jostein, i Paulette Moller. Sophie's World: A Novel About the History of Philosophy. London: Phoenix, 1991.

MLA način citiranja (9. izdanje)

Gaarder, Jostein, i Paulette Moller. Sophie's World: A Novel About the History of Philosophy. Phoenix, 1991.