Helsen, W. F., Starkes, J. L. & van Winckel, J. (1998). The influence of relative age on success and dropout in male soccer players. American Journal of Human Biology, 10 , 791-798.
APA-Zitierstil (7. Ausg.)Helsen, W. F., Starkes, J. L., & van Winckel, J. (1998). The influence of relative age on success and dropout in male soccer players. American Journal of Human Biology, 10, 791-798.
Chicago-Zitierstil (17. Ausg.)Helsen, W. F., J. L. Starkes, und J. van Winckel. "The Influence of Relative Age on Success and Dropout in Male Soccer Players." American Journal of Human Biology 10 (1998): 791-798.
MLA-Zitierstil (9. Ausg.)Helsen, W. F., et al. "The Influence of Relative Age on Success and Dropout in Male Soccer Players." American Journal of Human Biology, vol. 10, 1998, pp. 791-798.