APA (7th ed.) Citation

National Strength and Conditioning Association & Willardson, J. M. (2014). Developing the core: National strength and conditioning association. Human Kinetics.

Chicago Style (17th ed.) Citation

National Strength and Conditioning Association and Jeffrey M. Willardson. Developing the Core: National Strength and Conditioning Association. Champaign, IL: Human Kinetics, 2014.

MLA (9th ed.) Citation

National Strength and Conditioning Association and Jeffrey M. Willardson. Developing the Core: National Strength and Conditioning Association. Human Kinetics, 2014.

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