Apel, J. M., Lacey, R. M. & Kell, R. T. (2011). A comparison of traditional and weekly undulating periodized strength training programs with total volume and intensity equated. The Journal of Strength and Conditioning Research, 25 (3), 694-703. doi: 10.1519/JSC.0b013e3181c69ef6
APA (7th ed.) CitationApel, J. M., Lacey, R. M., & Kell, R. T. (2011). A comparison of traditional and weekly undulating periodized strength training programs with total volume and intensity equated. The Journal of Strength and Conditioning Research, 25(3), 694-703.
Chicago Style (17th ed.) CitationApel, J. M., R. M. Lacey, and R. T. Kell. "A Comparison of Traditional and Weekly Undulating Periodized Strength Training Programs with Total Volume and Intensity Equated." The Journal of Strength and Conditioning Research 25, no. 3 (2011): 694-703.
MLA (9th ed.) CitationApel, J. M., et al. "A Comparison of Traditional and Weekly Undulating Periodized Strength Training Programs with Total Volume and Intensity Equated." The Journal of Strength and Conditioning Research, vol. 25, no. 3, 2011, pp. 694-703.