Smart, D. J., Hopkins, W. G. & Gill, N. D. (2013). Differences and changes in the physical characteristics of professional and amateur rugby union players. The Journal of Strength and Conditioning Research, 27 (11), 3033-3044. doi: 10.1519/JSC.0b013e31828c26d3
APA (7th ed.) CitationSmart, D. J., Hopkins, W. G., & Gill, N. D. (2013). Differences and changes in the physical characteristics of professional and amateur rugby union players. The Journal of Strength and Conditioning Research, 27(11), 3033-3044.
Chicago Style (17th ed.) CitationSmart, D. J., W. G. Hopkins, and N. D. Gill. "Differences and Changes in the Physical Characteristics of Professional and Amateur Rugby Union Players." The Journal of Strength and Conditioning Research 27, no. 11 (2013): 3033-3044.
MLA (9th ed.) CitationSmart, D. J., et al. "Differences and Changes in the Physical Characteristics of Professional and Amateur Rugby Union Players." The Journal of Strength and Conditioning Research, vol. 27, no. 11, 2013, pp. 3033-3044.