Zhao, D.;                     Zuo, Y.;                     Urmi, D.S.;                     Liu, Y.;                     Zheng, P.;                     Fan, W.;                     Abdullah, A.S.    
        Perception of E-cigarette Use among Adult Users in China: A Mixed-method Study. Int. J. Environ. Res. Public Health 2020, 17, 2754.
    https://doi.org/10.3390/ijerph17082754
    AMA Style
    
                                Zhao D,                                 Zuo Y,                                 Urmi DS,                                 Liu Y,                                 Zheng P,                                 Fan W,                                 Abdullah AS.        
                Perception of E-cigarette Use among Adult Users in China: A Mixed-method Study. International Journal of Environmental Research and Public Health. 2020; 17(8):2754.
        https://doi.org/10.3390/ijerph17082754
    
    Chicago/Turabian Style
    
                                Zhao, Duan,                                 Yantao Zuo,                                 Dilshat S. Urmi,                                 Yangyujin Liu,                                 Pinpin Zheng,                                 Wang Fan,                                 and Abu S. Abdullah.        
                2020. "Perception of E-cigarette Use among Adult Users in China: A Mixed-method Study" International Journal of Environmental Research and Public Health 17, no. 8: 2754.
        https://doi.org/10.3390/ijerph17082754
    
    APA Style
    
                                Zhao, D.,                                 Zuo, Y.,                                 Urmi, D. S.,                                 Liu, Y.,                                 Zheng, P.,                                 Fan, W.,                                 & Abdullah, A. S.        
        
        (2020). Perception of E-cigarette Use among Adult Users in China: A Mixed-method Study. International Journal of Environmental Research and Public Health, 17(8), 2754.
        https://doi.org/10.3390/ijerph17082754