Cita APA (7th ed.)

Norris, C. M. (2000). Back stability. Human Kinetics.

Cita Chicago (17th ed.)

Norris, Christopher M. Back Stability. Champaign: Human Kinetics, 2000.

Cita MLA (9th ed.)

Norris, Christopher M. Back Stability. Human Kinetics, 2000.