APA Edition Citation

Gaarder, J., & Møller, P. (1996). Sophie's world: A novel about the history of philosophy. Berkley Books.

Chicago Edition Citation

Gaarder, Jostein, and Paulette Møller. Sophie's World: A Novel About the History of Philosophy. New York: Berkley Books, 1996.

MLA Edition Citation

Gaarder, Jostein, and Paulette Møller. Sophie's World: A Novel About the History of Philosophy. Berkley Books, 1996.

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