Harvard Citation

Gaarder, J., 1997. Sophie's world: A novel about the history of philosophy. London: Dolphin Paperback.

APA Citation

Gaarder, J. (1997). Sophie's world: A novel about the history of philosophy. London: Dolphin Paperback.

Chicago Style Citation

Gaarder, Jostein. Sophie's World: A Novel About the History of Philosophy. London: Dolphin Paperback, 1997.

MLA Citation

Gaarder, Jostein. Sophie's World: A Novel About the History of Philosophy. London: Dolphin Paperback, 1997.

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