APA (7th ed.) Citation

Mackey, D. C., Hubbard, A. E., Cawthon, P. M., Cauley, J. A., Cummings, S. R., & Tager, I. B. (2011). Usual Physical Activity and Hip Fracture in Older Men: An Application of Semiparametric Methods to Observational Data. American Journal of Epidemiology, 173(5), 578. https://doi.org/10.1093/aje/kwq405

Chicago Style (17th ed.) Citation

Mackey, Dawn C., Alan E. Hubbard, Peggy M. Cawthon, Jane A. Cauley, Steven R. Cummings, and Ira B. Tager. "Usual Physical Activity and Hip Fracture in Older Men: An Application of Semiparametric Methods to Observational Data." American Journal of Epidemiology 173, no. 5 (2011): 578. https://doi.org/10.1093/aje/kwq405.

MLA (9th ed.) Citation

Mackey, Dawn C., et al. "Usual Physical Activity and Hip Fracture in Older Men: An Application of Semiparametric Methods to Observational Data." American Journal of Epidemiology, vol. 173, no. 5, 2011, p. 578, https://doi.org/10.1093/aje/kwq405.

Warning: These citations may not always be 100% accurate.