APA (7th ed.) Citation

Buchhelt, M., Platat, C., Oujaa, M., & Simon, C. (2007). Habitual Physical Activity, Physical Fitness and Heart Rate Variability in Preadolescents. International Journal of Sports Medicine, 28(3), 204.

Chicago Style (17th ed.) Citation

Buchhelt, M., C. Platat, M. Oujaa, and C. Simon. "Habitual Physical Activity, Physical Fitness and Heart Rate Variability in Preadolescents." International Journal of Sports Medicine 28, no. 3 (2007): 204.

MLA (9th ed.) Citation

Buchhelt, M., et al. "Habitual Physical Activity, Physical Fitness and Heart Rate Variability in Preadolescents." International Journal of Sports Medicine, vol. 28, no. 3, 2007, p. 204.