Corbin, C. B., Pangrazi, R. P., & Welk, G. (1994). Toward an understanding of appropriate physical activity levels for youth. President's Council on Physical Fitness and Sports.
Chicago Style (17th ed.) CitationCorbin, Charles B., Robert P. Pangrazi, and Greg Welk. Toward an Understanding of Appropriate Physical Activity Levels for Youth. Washington, DC: President's Council on Physical Fitness and Sports, 1994.
MLA (9th ed.) CitationCorbin, Charles B., et al. Toward an Understanding of Appropriate Physical Activity Levels for Youth. President's Council on Physical Fitness and Sports, 1994.
Warning: These citations may not always be 100% accurate.