APA (7th ed.) Citation

Donaldson, J., Kirtley, C., & Williams, M. (2006). The wrong kind of knight. Parragon.

Chicago Style (17th ed.) Citation

Donaldson, Julia, Clare Kirtley, and Melanie Williams. The Wrong Kind of Knight. UK: Parragon, 2006.

MLA (9th ed.) Citation

Donaldson, Julia, et al. The Wrong Kind of Knight. Parragon, 2006.