APA (7th ed.) Citation

Smith, P. K., Cowie, H., & Blades, M. (2011). Understanding children's development (5th ed.). John Wiley & Sons Ltd.

Chicago Style (17th ed.) Citation

Smith, Peter K., Helen Cowie, and Mark Blades. Understanding Children's Development. 5th ed. Chichester, West Sussex, [England]: John Wiley & Sons Ltd, 2011.

MLA (9th ed.) Citation

Smith, Peter K., et al. Understanding Children's Development. 5th ed. John Wiley & Sons Ltd, 2011.