APA (7th ed.) Citation

Knechtle, B., Zingg, M. A., Rosemann, T., Stiefel, M., & Rüst, C. A. (2015). What predicts performance in ultra-triathlon races? - a comparison between Ironman distance triathlon and ultra-triathlon. Open Access Journal of Sports Medicine, 6, 149. https://doi.org/10.2147/OAJSM.S79273

Chicago Style (17th ed.) Citation

Knechtle, Beat, Matthias Alexander Zingg, Thomas Rosemann, Michael Stiefel, and Christoph Alexander Rüst. "What Predicts Performance in Ultra-triathlon Races? - a Comparison Between Ironman Distance Triathlon and Ultra-triathlon." Open Access Journal of Sports Medicine 6 (2015): 149. https://doi.org/10.2147/OAJSM.S79273.

MLA (9th ed.) Citation

Knechtle, Beat, et al. "What Predicts Performance in Ultra-triathlon Races? - a Comparison Between Ironman Distance Triathlon and Ultra-triathlon." Open Access Journal of Sports Medicine, vol. 6, 2015, p. 149, https://doi.org/10.2147/OAJSM.S79273.