APA (7th ed.) Citation

Nix, G., & Williams, S. (2011). Troubletwisters. Egmont.

Chicago Style (17th ed.) Citation

Nix, Garth, and Sean Williams. Troubletwisters. London: Egmont, 2011.

MLA (9th ed.) Citation

Nix, Garth, and Sean Williams. Troubletwisters. Egmont, 2011.

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