Cita APA (7a ed.)

Leventhal, A. M., Patrick, M. E., O'Malley, P. M., Johnston, L. D., Barrington-Trimis, J., & Miech, R. (2019). Flavors of e-cigarettes used by youths in the United States. The journal of the American Medical Association, 322(21), 2132-2134. doi:10.1001/jama.2019.17968

Cita Chicago Style (17a ed.)

Leventhal, Adam M., Megan E. Patrick, Patrick M. O'Malley, Lloyd D. Johnston, Jessica Barrington-Trimis, y Richard Miech. "Flavors of E-cigarettes Used by Youths in the United States." The Journal of the American Medical Association 322, no. 21 (2019): 2132-2134. https://doi.org/10.1001/jama.2019.17968.

Cita MLA (9a ed.)

Leventhal, Adam M., et al. "Flavors of E-cigarettes Used by Youths in the United States." The Journal of the American Medical Association, vol. 322, no. 21, 2019, pp. 2132-2134, https://doi.org/10.1001/jama.2019.17968.

Precaución: Estas citas no son 100% exactas.