Li, R.;                     Ding, Z.;                     An, Y.    
        Examination and Forecast of Relationship among Tourism, Environment, and Economy: A Case Study in Shandong Province, China. Int. J. Environ. Res. Public Health 2022, 19, 2581.
    https://doi.org/10.3390/ijerph19052581
    AMA Style
    
                                Li R,                                 Ding Z,                                 An Y.        
                Examination and Forecast of Relationship among Tourism, Environment, and Economy: A Case Study in Shandong Province, China. International Journal of Environmental Research and Public Health. 2022; 19(5):2581.
        https://doi.org/10.3390/ijerph19052581
    
    Chicago/Turabian Style
    
                                Li, Ranran,                                 Ziyuan Ding,                                 and Yan An.        
                2022. "Examination and Forecast of Relationship among Tourism, Environment, and Economy: A Case Study in Shandong Province, China" International Journal of Environmental Research and Public Health 19, no. 5: 2581.
        https://doi.org/10.3390/ijerph19052581
    
    APA Style
    
                                Li, R.,                                 Ding, Z.,                                 & An, Y.        
        
        (2022). Examination and Forecast of Relationship among Tourism, Environment, and Economy: A Case Study in Shandong Province, China. International Journal of Environmental Research and Public Health, 19(5), 2581.
        https://doi.org/10.3390/ijerph19052581