APA (7th ed.) Citation

Stewart, P., & Riddell, C. (2009). Twig - die Trilogie. Sauerländer.

Chicago Style (17th ed.) Citation

Stewart, Paul, and Chris Riddell. Twig - Die Trilogie. Düsseldorf: Sauerländer, 2009.

MLA (9th ed.) Citation

Stewart, Paul, and Chris Riddell. Twig - Die Trilogie. Sauerländer, 2009.

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