APA Citation

Marcus. (2003). Motivating people to be physically active. Champaign, IL: Human Kinetics.

Chicago Style Citation

Marcus. Motivating People to Be Physically Active. Champaign, IL: Human Kinetics, 2003.

MLA Citation

Marcus. Motivating People to Be Physically Active. Champaign, IL: Human Kinetics, 2003.

Warning: These citations may not always be 100% accurate.