Berkoff, D. J., Cairns, C. B., Sanchez, L. D. & Moorman, C. T. (2007). Heart rate variability in elite American track and field athletes. The Journal of Strength and Conditioning Research, 21 (1), 227-231.
APA-Zitierstil (7. Ausg.)Berkoff, D. J., Cairns, C. B., Sanchez, L. D., & Moorman, C. T. (2007). Heart rate variability in elite American track and field athletes. The Journal of Strength and Conditioning Research, 21(1), 227-231.
Chicago-Zitierstil (17. Ausg.)Berkoff, D. J., C. B. Cairns, L. D. Sanchez, und C. T. Moorman. "Heart Rate Variability in Elite American Track and Field Athletes." The Journal of Strength and Conditioning Research 21, no. 1 (2007): 227-231.
MLA-Zitierstil (9. Ausg.)Berkoff, D. J., et al. "Heart Rate Variability in Elite American Track and Field Athletes." The Journal of Strength and Conditioning Research, vol. 21, no. 1, 2007, pp. 227-231.