APA (7th ed.) Citation

Roetert, P., & Groppel, J. L. (2001). World-class tennis technique. Human Kinetics.

Chicago Style (17th ed.) Citation

Roetert, Paul, and Jack L. Groppel. World-class Tennis Technique. Champaign, Ill: Human Kinetics, 2001.

MLA (9th ed.) Citation

Roetert, Paul, and Jack L. Groppel. World-class Tennis Technique. Human Kinetics, 2001.