Chapman, R. F., Laymon, A. S., Wilhite, D. P., McKenzie, J. M., Tanner, D. A. & Stager, J. M. (2012). Ground contact time as an indicator of metabolic cost in elite distance runners. Medicine & Science in Sports & Exercise, 44 (5), 917-925. doi: 10.1249/MSS.0b013e3182400520
APA (7th ed.) CitationChapman, R. F., Laymon, A. S., Wilhite, D. P., McKenzie, J. M., Tanner, D. A., & Stager, J. M. (2012). Ground contact time as an indicator of metabolic cost in elite distance runners. Medicine & Science in Sports & Exercise, 44(5), 917-925.
Chicago Style (17th ed.) CitationChapman, R. F., A. S. Laymon, D. P. Wilhite, J. M. McKenzie, D. A. Tanner, and J. M. Stager. "Ground Contact Time as an Indicator of Metabolic Cost in Elite Distance Runners." Medicine & Science in Sports & Exercise 44, no. 5 (2012): 917-925.
MLA (9th ed.) CitationChapman, R. F., et al. "Ground Contact Time as an Indicator of Metabolic Cost in Elite Distance Runners." Medicine & Science in Sports & Exercise, vol. 44, no. 5, 2012, pp. 917-925.