Cita APA (7a ed.)

De Knop, P. (1996). Worldwide trends in youth sport. Human Kinetics.

Cita Chicago Style (17a ed.)

De Knop, Paul. Worldwide Trends in Youth Sport. Champaign, Illinois: Human Kinetics, 1996.

Cita MLA (9a ed.)

De Knop, Paul. Worldwide Trends in Youth Sport. Human Kinetics, 1996.