APA (7th ed.) Citation

Gaarder, J., & Anderson, J. (2010). The castle in the pyreness. Weidenfeld &Nicolson.

Chicago Style (17th ed.) Citation

Gaarder, Jostein, and James Anderson. The Castle in the Pyreness. London: Weidenfeld &Nicolson, 2010.

MLA (9th ed.) Citation

Gaarder, Jostein, and James Anderson. The Castle in the Pyreness. Weidenfeld &Nicolson, 2010.

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