APA (7th ed.) Citation

Koval, A. L., Kerr, D. C. R., & Bae, H. (2019). Perceived prevalence of peer marijuana use: Changes among college students before and after Oregon recreational marijuana legalization. American Journal of Drug & Alcohol Abuse, 45(4), 392. https://doi.org/10.1080/00952990.2019.1599381

Chicago Style (17th ed.) Citation

Koval, Andrew L., David C. R. Kerr, and Harold Bae. "Perceived Prevalence of Peer Marijuana Use: Changes Among College Students Before and After Oregon Recreational Marijuana Legalization." American Journal of Drug & Alcohol Abuse 45, no. 4 (2019): 392. https://doi.org/10.1080/00952990.2019.1599381.

MLA (9th ed.) Citation

Koval, Andrew L., et al. "Perceived Prevalence of Peer Marijuana Use: Changes Among College Students Before and After Oregon Recreational Marijuana Legalization." American Journal of Drug & Alcohol Abuse, vol. 45, no. 4, 2019, p. 392, https://doi.org/10.1080/00952990.2019.1599381.