APA (7th ed.) Citation

Gaarder , J. (1996). Sophie's World. Phoenix.

Chicago Style (17th ed.) Citation

Gaarder , Jostein. Sophie's World. London: Phoenix, 1996.

MLA (9th ed.) Citation

Gaarder , Jostein. Sophie's World. Phoenix, 1996.

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