APA (7th ed.) Citation

Knechtle, B., & Köpfli, W. (2001). Treadmill exercise testing with increasing inclination as exercise protocol for wheelchair athletes. Spinal Cord, 39(12), 633. https://doi.org/10.1038/sj.sc.3101229

Chicago Style (17th ed.) Citation

Knechtle, B., and W. Köpfli. "Treadmill Exercise Testing with Increasing Inclination as Exercise Protocol for Wheelchair Athletes." Spinal Cord 39, no. 12 (2001): 633. https://doi.org/10.1038/sj.sc.3101229.

MLA (9th ed.) Citation

Knechtle, B., and W. Köpfli. "Treadmill Exercise Testing with Increasing Inclination as Exercise Protocol for Wheelchair Athletes." Spinal Cord, vol. 39, no. 12, 2001, p. 633, https://doi.org/10.1038/sj.sc.3101229.