Gordon, B. S., Moir, G. L., Davis, S. E., Witmer, C. A. & Cummings, D. M. (2009). An investigation into the relationship of flexibility, power, and strength to club head speed in male golfers. The Journal of Strength and Conditioning Research, 23 (5), 1606-1610. doi: 10.1519/JSC.0b013e3181a3c39d
APA (7th ed.) CitationGordon, B. S., Moir, G. L., Davis, S. E., Witmer, C. A., & Cummings, D. M. (2009). An investigation into the relationship of flexibility, power, and strength to club head speed in male golfers. The Journal of Strength and Conditioning Research, 23(5), 1606-1610.
Chicago Style (17th ed.) CitationGordon, B. S., G. L. Moir, S. E. Davis, C. A. Witmer, and D. M. Cummings. "An Investigation into the Relationship of Flexibility, Power, and Strength to Club Head Speed in Male Golfers." The Journal of Strength and Conditioning Research 23, no. 5 (2009): 1606-1610.
MLA (9th ed.) CitationGordon, B. S., et al. "An Investigation into the Relationship of Flexibility, Power, and Strength to Club Head Speed in Male Golfers." The Journal of Strength and Conditioning Research, vol. 23, no. 5, 2009, pp. 1606-1610.