Cita APA

Pearl, A. J., & Cahill, B. (1993). Intensive participation in children's sports. Champaign, Ill.: Human Kinetics.

Citación estilo Chicago

Pearl, Arthur J., y Bernard Cahill. Intensive Participation in Children's Sports. Champaign, Ill.: Human Kinetics, 1993.

Cita MLA

Pearl, Arthur J., y Bernard Cahill. Intensive Participation in Children's Sports. Champaign, Ill.: Human Kinetics, 1993.