Popp, K. L., Hughes, J. M., Smock, A. J., Novotny, S. A., Stovitz, S. D., Koehler, S. M. & Petit, M. A. (2009). Bone geometry, strength, and muscle size in runners with a history of stress fracture. Medicine & Science in Sports & Exercise, 41 (12), 2145-2150. doi: 10.1249/MSS.0b013e3181a9e772
APA (7th ed.) CitationPopp, K. L., Hughes, J. M., Smock, A. J., Novotny, S. A., Stovitz, S. D., Koehler, S. M., & Petit, M. A. (2009). Bone geometry, strength, and muscle size in runners with a history of stress fracture. Medicine & Science in Sports & Exercise, 41(12), 2145-2150.
Chicago Style (17th ed.) CitationPopp, K. L., J. M. Hughes, A. J. Smock, S. A. Novotny, S. D. Stovitz, S. M. Koehler, and M. A. Petit. "Bone Geometry, Strength, and Muscle Size in Runners with a History of Stress Fracture." Medicine & Science in Sports & Exercise 41, no. 12 (2009): 2145-2150.
MLA (9th ed.) CitationPopp, K. L., et al. "Bone Geometry, Strength, and Muscle Size in Runners with a History of Stress Fracture." Medicine & Science in Sports & Exercise, vol. 41, no. 12, 2009, pp. 2145-2150.