APA (7th ed.) Citation

American College of Sports Medicine & Johnson, R. (2009). Core strength assessment in runners. Healthy Learning.

Chicago Style (17th ed.) Citation

American College of Sports Medicine and Rob Johnson. Core Strength Assessment in Runners. Monterey, CA: Healthy Learning, 2009.

MLA (9th ed.) Citation

American College of Sports Medicine and Rob Johnson. Core Strength Assessment in Runners. Healthy Learning, 2009.

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