APA (7th ed.) Citation

Keyes, K. M., Wall, M., Cerdá, M., Schulenberg, J., O'Malley, P. M., Galea, S., . . . Hasin, D. S. (2016). How does state marijuana policy affect US youth? Medical marijuana laws, marijuana use and perceived harmfulness: 1991-2014. Addiction, 111(12), 2187. https://doi.org/10.1111/add.13523

Chicago Style (17th ed.) Citation

Keyes, Katherine M., Melanie Wall, Magdalena Cerdá, John Schulenberg, Patrick M. O'Malley, Sandro Galea, Tianshu Feng, and Deborah S. Hasin. "How Does State Marijuana Policy Affect US Youth? Medical Marijuana Laws, Marijuana Use and Perceived Harmfulness: 1991-2014." Addiction 111, no. 12 (2016): 2187. https://doi.org/10.1111/add.13523.

MLA (9th ed.) Citation

Keyes, Katherine M., et al. "How Does State Marijuana Policy Affect US Youth? Medical Marijuana Laws, Marijuana Use and Perceived Harmfulness: 1991-2014." Addiction, vol. 111, no. 12, 2016, p. 2187, https://doi.org/10.1111/add.13523.