Bhardwaj, A.K.;                     Garg, A.;                     Ram, S.;                     Gajpal, Y.;                     Zheng, C.    
        Research Trends in Green Product for Environment: A Bibliometric Perspective. Int. J. Environ. Res. Public Health 2020, 17, 8469.
    https://doi.org/10.3390/ijerph17228469
    AMA Style
    
                                Bhardwaj AK,                                 Garg A,                                 Ram S,                                 Gajpal Y,                                 Zheng C.        
                Research Trends in Green Product for Environment: A Bibliometric Perspective. International Journal of Environmental Research and Public Health. 2020; 17(22):8469.
        https://doi.org/10.3390/ijerph17228469
    
    Chicago/Turabian Style
    
                                Bhardwaj, Amit Kumar,                                 Arunesh Garg,                                 Shri Ram,                                 Yuvraj Gajpal,                                 and Chengsi Zheng.        
                2020. "Research Trends in Green Product for Environment: A Bibliometric Perspective" International Journal of Environmental Research and Public Health 17, no. 22: 8469.
        https://doi.org/10.3390/ijerph17228469
    
    APA Style
    
                                Bhardwaj, A. K.,                                 Garg, A.,                                 Ram, S.,                                 Gajpal, Y.,                                 & Zheng, C.        
        
        (2020). Research Trends in Green Product for Environment: A Bibliometric Perspective. International Journal of Environmental Research and Public Health, 17(22), 8469.
        https://doi.org/10.3390/ijerph17228469