Boyd, C. J., McCabe, S. E., Eisman, A. B., Evans-Polce, R. J., & Veliz, P. (2020). Why are national estimates so different? A comparison of youth e-cigarette use and cigarette smoking in the MTF and PATH surveys. Journal of studies on alcohol and drugs, 81(4), 497-504. doi:10.15288/jsad.2020.81.497
Cita Chicago Style (17a ed.)Boyd, Carol J., Sean Esteban McCabe, Andria B. Eisman, Rebecca J. Evans-Polce, y Philip Veliz. "Why Are National Estimates so Different? A Comparison of Youth E-cigarette Use and Cigarette Smoking in the MTF and PATH Surveys." Journal of Studies on Alcohol and Drugs 81, no. 4 (2020): 497-504. https://doi.org/10.15288/jsad.2020.81.497.
Cita MLA (9a ed.)Boyd, Carol J., et al. "Why Are National Estimates so Different? A Comparison of Youth E-cigarette Use and Cigarette Smoking in the MTF and PATH Surveys." Journal of Studies on Alcohol and Drugs, vol. 81, no. 4, 2020, pp. 497-504, https://doi.org/10.15288/jsad.2020.81.497.