Cita APA (7a ed.)

Terry-McElrath, Y., Johnston L.D, & O'Malley, P. (2011). Exercise and substance use among American youth, 1991-2009. American journal of preventive medicine, 40(5), 530-540. doi:10.1016/j.amepre.2010.12.021

Cita Chicago Style (17a ed.)

Terry-McElrath, Y.M, Johnston L.D, y P.M O'Malley. "Exercise and Substance Use Among American Youth, 1991-2009." American Journal of Preventive Medicine 40, no. 5 (2011): 530-540. https://doi.org/10.1016/j.amepre.2010.12.021.

Cita MLA (9a ed.)

Terry-McElrath, Y.M, et al. "Exercise and Substance Use Among American Youth, 1991-2009." American Journal of Preventive Medicine, vol. 40, no. 5, 2011, pp. 530-540, https://doi.org/10.1016/j.amepre.2010.12.021.