Zhong, K.;                     Chen, L.;                     Cheng, S.;                     Chen, H.;                     Long, F.    
        The Efficiency of Primary Health Care Institutions in the Counties of Hunan Province, China: Data from 2009 to 2017. Int. J. Environ. Res. Public Health 2020, 17, 1781.
    https://doi.org/10.3390/ijerph17051781
    AMA Style
    
                                Zhong K,                                 Chen L,                                 Cheng S,                                 Chen H,                                 Long F.        
                The Efficiency of Primary Health Care Institutions in the Counties of Hunan Province, China: Data from 2009 to 2017. International Journal of Environmental Research and Public Health. 2020; 17(5):1781.
        https://doi.org/10.3390/ijerph17051781
    
    Chicago/Turabian Style
    
                                Zhong, Kaili,                                 Lv Chen,                                 Sixiang Cheng,                                 Hongjun Chen,                                 and Fei Long.        
                2020. "The Efficiency of Primary Health Care Institutions in the Counties of Hunan Province, China: Data from 2009 to 2017" International Journal of Environmental Research and Public Health 17, no. 5: 1781.
        https://doi.org/10.3390/ijerph17051781
    
    APA Style
    
                                Zhong, K.,                                 Chen, L.,                                 Cheng, S.,                                 Chen, H.,                                 & Long, F.        
        
        (2020). The Efficiency of Primary Health Care Institutions in the Counties of Hunan Province, China: Data from 2009 to 2017. International Journal of Environmental Research and Public Health, 17(5), 1781.
        https://doi.org/10.3390/ijerph17051781