Burtch, A. R., Ogle, B. T., Sims, P. A., Harms, C. A., Symons, T. B., Folz, R.J & Zavorsky, G. S. (2017). Controlled frequency breathing reduces inspiratory muscle fatigue. The Journal of Strength and Conditioning Research, 31 (5), 1273-1281. doi: 10.1519/JSC.0000000000001589
APA (7th ed.) CitationBurtch, A. R., Ogle, B. T., Sims, P. A., Harms, C. A., Symons, T. B., Folz, R., & Zavorsky, G. S. (2017). Controlled frequency breathing reduces inspiratory muscle fatigue. The Journal of Strength and Conditioning Research, 31(5), 1273-1281.
Chicago Style (17th ed.) CitationBurtch, A. R., B. T. Ogle, P. A. Sims, C. A. Harms, T. B. Symons, R.J Folz, and G. S. Zavorsky. "Controlled Frequency Breathing Reduces Inspiratory Muscle Fatigue." The Journal of Strength and Conditioning Research 31, no. 5 (2017): 1273-1281.
MLA (9th ed.) CitationBurtch, A. R., et al. "Controlled Frequency Breathing Reduces Inspiratory Muscle Fatigue." The Journal of Strength and Conditioning Research, vol. 31, no. 5, 2017, pp. 1273-1281.