Rahl, R. L. (2010). Physical activity and health guidelines recommendations for various ages, fitness levels, and conditions from 57 authoritative sources / Riva L. Rahl: Recommendations for various ages, fitness levels, and conditions from 57 authoritative sources. Human Kinetics. https://doi.org/10.5040/9781492595700
Chicago Style (17th ed.) CitationRahl, Riva L. Physical Activity and Health Guidelines Recommendations for Various Ages, Fitness Levels, and Conditions from 57 Authoritative Sources / Riva L. Rahl: Recommendations for Various Ages, Fitness Levels, and Conditions from 57 Authoritative Sources. Champaign, IL: Human Kinetics, 2010. https://doi.org/10.5040/9781492595700.
MLA (9th ed.) CitationRahl, Riva L. Physical Activity and Health Guidelines Recommendations for Various Ages, Fitness Levels, and Conditions from 57 Authoritative Sources / Riva L. Rahl: Recommendations for Various Ages, Fitness Levels, and Conditions from 57 Authoritative Sources. Human Kinetics, 2010. https://doi.org/10.5040/9781492595700.