Cita APA

Shields, B. J., & Smith, G. A. (2009). Cheerleading-Related Injuries in the United States: A Prospective Surveillance Study. The National Athletic Trainers' Association, Inc.

Chicago Style Citation

Shields, Brenda J., i Gary A. Smith. Cheerleading-Related Injuries in the United States: A Prospective Surveillance Study. The National Athletic Trainers' Association, Inc, 2009.

Cita MLA

Shields, Brenda J., i Gary A. Smith. Cheerleading-Related Injuries in the United States: A Prospective Surveillance Study. The National Athletic Trainers' Association, Inc, 2009.