Hoppe, M. W., Baumgart, C, Sperlich, B, Ibrahim, H, Jansen, C, Willis, S. J. & Freiwald, J. (2013). Comparison between three different endurance tests in professional soccer players. The Journal of Strength and Conditioning Research, 27 (1), 31-37. doi: 10.1519/JSC.0b013e31824e1711
APA (7th ed.) CitationHoppe, M. W., Baumgart, C., Sperlich, B., Ibrahim, H., Jansen, C., Willis, S. J., & Freiwald, J. (2013). Comparison between three different endurance tests in professional soccer players. The Journal of Strength and Conditioning Research, 27(1), 31-37.
Chicago Style (17th ed.) CitationHoppe, M. W., C. Baumgart, B. Sperlich, H. Ibrahim, C. Jansen, S. J. Willis, and J. Freiwald. "Comparison Between Three Different Endurance Tests in Professional Soccer Players." The Journal of Strength and Conditioning Research 27, no. 1 (2013): 31-37.
MLA (9th ed.) CitationHoppe, M. W., et al. "Comparison Between Three Different Endurance Tests in Professional Soccer Players." The Journal of Strength and Conditioning Research, vol. 27, no. 1, 2013, pp. 31-37.