Harvard Citation

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

APA Citation

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

Chicago Style Citation

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

MLA Citation

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

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