Zhang, S.;                     Zhang, W.;                     Wang, Y.;                     Zhao, X.;                     Song, P.;                     Tian, G.;                     Mayer, A.L.    
        Comparing Human Activity Density and Green Space Supply Using the Baidu Heat Map in Zhengzhou, China. Sustainability 2020, 12, 7075.
    https://doi.org/10.3390/su12177075
    AMA Style
    
                                Zhang S,                                 Zhang W,                                 Wang Y,                                 Zhao X,                                 Song P,                                 Tian G,                                 Mayer AL.        
                Comparing Human Activity Density and Green Space Supply Using the Baidu Heat Map in Zhengzhou, China. Sustainability. 2020; 12(17):7075.
        https://doi.org/10.3390/su12177075
    
    Chicago/Turabian Style
    
                                Zhang, Shumei,                                 Wenshi Zhang,                                 Ying Wang,                                 Xiaoyu Zhao,                                 Peihao Song,                                 Guohang Tian,                                 and Audrey L. Mayer.        
                2020. "Comparing Human Activity Density and Green Space Supply Using the Baidu Heat Map in Zhengzhou, China" Sustainability 12, no. 17: 7075.
        https://doi.org/10.3390/su12177075
    
    APA Style
    
                                Zhang, S.,                                 Zhang, W.,                                 Wang, Y.,                                 Zhao, X.,                                 Song, P.,                                 Tian, G.,                                 & Mayer, A. L.        
        
        (2020). Comparing Human Activity Density and Green Space Supply Using the Baidu Heat Map in Zhengzhou, China. Sustainability, 12(17), 7075.
        https://doi.org/10.3390/su12177075