American College of Sports Medicine, Healthy Learning Videos, & Johnson, R. (2010). Second-impact syndrome: Myth or reality? Healthy Learning.
Chicago Style (17th ed.) CitationAmerican College of Sports Medicine, Healthy Learning Videos, and Rob Johnson. Second-impact Syndrome: Myth or Reality? Monterey, CA: Healthy Learning, 2010.
MLA (9th ed.) CitationAmerican College of Sports Medicine, et al. Second-impact Syndrome: Myth or Reality? Healthy Learning, 2010.
Warning: These citations may not always be 100% accurate.