Pacek, L. R., Martins, S. S., & Mauro, P. M. (2015). Perceived risk of regular cannabis use in the United States from 2002 to 2012: Differences by sex, age, and race/ethnicity. Drug and alcohol dependence, 149, 232-244. doi:10.1016/j.drugalcdep.2015.02.009
Chicago Style (17th ed.) CitationPacek, Lauren R., Silvia S. Martins, and Pia M. Mauro. "Perceived Risk of Regular Cannabis Use in the United States from 2002 to 2012: Differences by Sex, Age, and Race/ethnicity." Drug and Alcohol Dependence 149 (2015): 232-244. https://doi.org/10.1016/j.drugalcdep.2015.02.009.
MLA (9th ed.) CitationPacek, Lauren R., et al. "Perceived Risk of Regular Cannabis Use in the United States from 2002 to 2012: Differences by Sex, Age, and Race/ethnicity." Drug and Alcohol Dependence, vol. 149, 2015, pp. 232-244, https://doi.org/10.1016/j.drugalcdep.2015.02.009.