Proietti, R, Di Fronso, S., Pereira, L. A., Bortoli, L, Robazza, C, Nakamura, F. Y. & Bertollo, M. (2017). Heart rate variability discriminates competitive levels in professional soccer players. The Journal of Strength and Conditioning Research, 31 (6), 1719-1725. doi: 10.1519/JSC.0000000000001795
APA (7th ed.) CitationProietti, R., Di Fronso, S., Pereira, L. A., Bortoli, L., Robazza, C., Nakamura, F. Y., & Bertollo, M. (2017). Heart rate variability discriminates competitive levels in professional soccer players. The Journal of Strength and Conditioning Research, 31(6), 1719-1725.
Chicago Style (17th ed.) CitationProietti, R., S. Di Fronso, L. A. Pereira, L. Bortoli, C. Robazza, F. Y. Nakamura, and M. Bertollo. "Heart Rate Variability Discriminates Competitive Levels in Professional Soccer Players." The Journal of Strength and Conditioning Research 31, no. 6 (2017): 1719-1725.
MLA (9th ed.) CitationProietti, R., et al. "Heart Rate Variability Discriminates Competitive Levels in Professional Soccer Players." The Journal of Strength and Conditioning Research, vol. 31, no. 6, 2017, pp. 1719-1725.