APA Edition Citation

Gaarder, J. (1995). Sophie's world: A novel about the history of philosophy. Phoenix.

Chicago Edition Citation

Gaarder, Jostein. Sophie's World: A Novel About the History of Philosophy. London: Phoenix, 1995.

MLA Edition Citation

Gaarder, Jostein. Sophie's World: A Novel About the History of Philosophy. Phoenix, 1995.

Warning: These citations may not always be 100% accurate.