Cita APA (7a ed.)

Roberts, S. (1996). The business of personal training. Human Kinetics.

Cita Chicago Style (17a ed.)

Roberts, Scott. The Business of Personal Training. Champaign, Ill: Human Kinetics, 1996.

Cita MLA (9a ed.)

Roberts, Scott. The Business of Personal Training. Human Kinetics, 1996.