Ronnestad, B. R., Nymark, B & Raastad, T. (2011). Effects of in-season strength maintenance training frequency in professional soccer players. The Journal of Strength and Conditioning Research, 25 (10), 2653-2660. doi: 10.1519/JSC.0b013e31822dcd96
APA (7th ed.) CitationRonnestad, B. R., Nymark, B., & Raastad, T. (2011). Effects of in-season strength maintenance training frequency in professional soccer players. The Journal of Strength and Conditioning Research, 25(10), 2653-2660.
Chicago Style (17th ed.) CitationRonnestad, B. R., B. Nymark, and T. Raastad. "Effects of In-season Strength Maintenance Training Frequency in Professional Soccer Players." The Journal of Strength and Conditioning Research 25, no. 10 (2011): 2653-2660.
MLA (9th ed.) CitationRonnestad, B. R., et al. "Effects of In-season Strength Maintenance Training Frequency in Professional Soccer Players." The Journal of Strength and Conditioning Research, vol. 25, no. 10, 2011, pp. 2653-2660.