Cita APA (7th ed.)
Hyman, M. (2009). Until it hurts: America's obsession with youth sports and how it harms our kids. Beacon Press.
Cita Chicago (17th ed.)
Hyman, Mark. Until It Hurts: America's Obsession with Youth Sports and How It Harms Our Kids. Boston: Beacon Press, 2009.
Cita MLA (9th ed.)
Hyman, Mark. Until It Hurts: America's Obsession with Youth Sports and How It Harms Our Kids. Beacon Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.