APA (7th ed.) Citation

Casa, D. J., Guskiewicz, K. M., & O'Connor, F. G. (2013). An update regarding state safety policies for youth athletes. Healthy Learning.

Chicago Style (17th ed.) Citation

Casa, Douglas J., Kevin M. Guskiewicz, and Francis G. O'Connor. An Update Regarding State Safety Policies for Youth Athletes. Monterey, CA: Healthy Learning, 2013.

MLA (9th ed.) Citation

Casa, Douglas J., et al. An Update Regarding State Safety Policies for Youth Athletes. Healthy Learning, 2013.