Asken, M. J. & Schwartz, R. C. (1998). Heading the ball in soccer: What's the risk of brain injury? The Physician and Sportsmedicine, 26 (11), 37-44.
APA-Zitierstil (7. Ausg.)Asken, M. J., & Schwartz, R. C. (1998). Heading the ball in soccer: What's the risk of brain injury? The Physician and Sportsmedicine, 26(11), 37-44.
Chicago-Zitierstil (17. Ausg.)Asken, M. J., und R. C. Schwartz. "Heading the Ball in Soccer: What's the Risk of Brain Injury?" The Physician and Sportsmedicine 26, no. 11 (1998): 37-44.
MLA-Zitierstil (9. Ausg.)Asken, M. J., und R. C. Schwartz. "Heading the Ball in Soccer: What's the Risk of Brain Injury?" The Physician and Sportsmedicine, vol. 26, no. 11, 1998, pp. 37-44.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.