Cai, H.;                     Liang, L.;                     Tang, J.;                     Wang, Q.;                     Wei, L.;                     Xie, J.    
        An Empirical Study on the Efficiency and Influencing Factors of the Photovoltaic Industry in China and an Analysis of Its Influencing Factors. Sustainability 2019, 11, 6693.
    https://doi.org/10.3390/su11236693
    AMA Style
    
                                Cai H,                                 Liang L,                                 Tang J,                                 Wang Q,                                 Wei L,                                 Xie J.        
                An Empirical Study on the Efficiency and Influencing Factors of the Photovoltaic Industry in China and an Analysis of Its Influencing Factors. Sustainability. 2019; 11(23):6693.
        https://doi.org/10.3390/su11236693
    
    Chicago/Turabian Style
    
                                Cai, Hao,                                 Ling Liang,                                 Jing Tang,                                 Qianxian Wang,                                 Lihong Wei,                                 and Jiaping Xie.        
                2019. "An Empirical Study on the Efficiency and Influencing Factors of the Photovoltaic Industry in China and an Analysis of Its Influencing Factors" Sustainability 11, no. 23: 6693.
        https://doi.org/10.3390/su11236693
    
    APA Style
    
                                Cai, H.,                                 Liang, L.,                                 Tang, J.,                                 Wang, Q.,                                 Wei, L.,                                 & Xie, J.        
        
        (2019). An Empirical Study on the Efficiency and Influencing Factors of the Photovoltaic Industry in China and an Analysis of Its Influencing Factors. Sustainability, 11(23), 6693.
        https://doi.org/10.3390/su11236693