Bui, T.M.;                     Hoang, M.T.;                     Ngo, T.V.;                     Do, C.D.;                     Nghiem, S.H.;                     Byrnes, J.;                     Phung, D.T.;                     Nguyen, T.H.T.;                     Vu, G.T.;                     Do, H.T.;     
    et al.    Smartphone Use and Willingness to Pay for HIV Treatment-Assisted Smartphone Applications among HIV-Positive Patients in Urban Clinics of Vietnam. Int. J. Environ. Res. Public Health 2021, 18, 1467.
    https://doi.org/10.3390/ijerph18041467
    AMA Style
    
                                Bui TM,                                 Hoang MT,                                 Ngo TV,                                 Do CD,                                 Nghiem SH,                                 Byrnes J,                                 Phung DT,                                 Nguyen THT,                                 Vu GT,                                 Do HT,         
        et al.        Smartphone Use and Willingness to Pay for HIV Treatment-Assisted Smartphone Applications among HIV-Positive Patients in Urban Clinics of Vietnam. International Journal of Environmental Research and Public Health. 2021; 18(4):1467.
        https://doi.org/10.3390/ijerph18041467
    
    Chicago/Turabian Style
    
                                Bui, Thu Minh,                                 Men Thi Hoang,                                 Toan Van Ngo,                                 Cuong Duy Do,                                 Son Hong Nghiem,                                 Joshua Byrnes,                                 Dung Tri Phung,                                 Trang Huyen Thi Nguyen,                                 Giang Thu Vu,                                 Hoa Thi Do,         
         and et al.        2021. "Smartphone Use and Willingness to Pay for HIV Treatment-Assisted Smartphone Applications among HIV-Positive Patients in Urban Clinics of Vietnam" International Journal of Environmental Research and Public Health 18, no. 4: 1467.
        https://doi.org/10.3390/ijerph18041467
    
    APA Style
    
                                Bui, T. M.,                                 Hoang, M. T.,                                 Ngo, T. V.,                                 Do, C. D.,                                 Nghiem, S. H.,                                 Byrnes, J.,                                 Phung, D. T.,                                 Nguyen, T. H. T.,                                 Vu, G. T.,                                 Do, H. T.,                                 Latkin, C. A.,                                 Ho, R. C. M.,                                 & Ho, C. S. H.        
        
        (2021). Smartphone Use and Willingness to Pay for HIV Treatment-Assisted Smartphone Applications among HIV-Positive Patients in Urban Clinics of Vietnam. International Journal of Environmental Research and Public Health, 18(4), 1467.
        https://doi.org/10.3390/ijerph18041467