Citazione Stile APA (7a Edizione)

Smith, A. L., & Biddle, S. (2008). Youth physical activity and sedentary behavior: Challenges and solutions. Human Kinetics.

Citazione stile Chigago Style (17a edizione)

Smith, Alan L., e Stuart Biddle. Youth Physical Activity and Sedentary Behavior: Challenges and Solutions. Champaign, Ill: Human Kinetics, 2008.

Citatione MLA (9a ed.)

Smith, Alan L., e Stuart Biddle. Youth Physical Activity and Sedentary Behavior: Challenges and Solutions. Human Kinetics, 2008.