APA (7th ed.) Citation

Biddle, S., Fox, K. R., & Boutcher, S. H. (2000). Physical activity and psychological well-being. Routledge.

Chicago Style (17th ed.) Citation

Biddle, Stuart, Kenneth R. Fox, and Stephen H. Boutcher. Physical Activity and Psychological Well-being. London: Routledge, 2000.

MLA (9th ed.) Citation

Biddle, Stuart, et al. Physical Activity and Psychological Well-being. Routledge, 2000.