MLA
Yi, Zinan, et al. Changes In Cigarette Smoking Initiation, Cessation, and Relapse Among U.s. Adults: a Comparison of Two Longitudinal Samples. BioMed Central, 2017. https://doi.org/10.17615/ewa6-ke96
APA
Yi, Z., Mayorga, M., Hassmiller Lich, K., & Pearson, J. (2017). Changes in cigarette smoking initiation, cessation, and relapse among U.S. adults: a comparison of two longitudinal samples. BioMed Central. https://doi.org/10.17615/ewa6-ke96
Chicago
Yi, Zinan, Maria E Mayorga, Kristen Hassmiller Lich, and Jennifer L Pearson. 2017. Changes In Cigarette Smoking Initiation, Cessation, and Relapse Among U.s. Adults: a Comparison of Two Longitudinal Samples. BioMed Central. https://doi.org/10.17615/ewa6-ke96