Sung, H., Thom, B., Johnson, P. B., Vaughan, R., & Richter, L. (2005). Nonmedical use of prescription opioids among teenagers in the United States: Trends and correlates. Journal of adolescent health, 37(1), 44-51. doi:10.1016/j.jadohealth.2005.02.013
Cita Chicago Style (17a ed.)Sung, Hung-En, Bridgette Thom, Patrick B. Johnson, Roger Vaughan, y Linda Richter. "Nonmedical Use of Prescription Opioids Among Teenagers in the United States: Trends and Correlates." Journal of Adolescent Health 37, no. 1 (2005): 44-51. https://doi.org/10.1016/j.jadohealth.2005.02.013.
Cita MLA (9a ed.)Sung, Hung-En, et al. "Nonmedical Use of Prescription Opioids Among Teenagers in the United States: Trends and Correlates." Journal of Adolescent Health, vol. 37, no. 1, 2005, pp. 44-51, https://doi.org/10.1016/j.jadohealth.2005.02.013.