Guan, H.;                     Wang, H.;                     Du, K.;                     Zhao, J.;                     Boswell, M.;                     Shi, Y.;                     Qian, Y.    
        The Effect of Providing Free Eyeglasses on Children’s Mental Health Outcomes in China: A Cluster-Randomized Controlled Trial. Int. J. Environ. Res. Public Health 2018, 15, 2749.
    https://doi.org/10.3390/ijerph15122749
    AMA Style
    
                                Guan H,                                 Wang H,                                 Du K,                                 Zhao J,                                 Boswell M,                                 Shi Y,                                 Qian Y.        
                The Effect of Providing Free Eyeglasses on Children’s Mental Health Outcomes in China: A Cluster-Randomized Controlled Trial. International Journal of Environmental Research and Public Health. 2018; 15(12):2749.
        https://doi.org/10.3390/ijerph15122749
    
    Chicago/Turabian Style
    
                                Guan, Hongyu,                                 Huan Wang,                                 Kang Du,                                 Jin Zhao,                                 Matthew Boswell,                                 Yaojiang Shi,                                 and Yiwei Qian.        
                2018. "The Effect of Providing Free Eyeglasses on Children’s Mental Health Outcomes in China: A Cluster-Randomized Controlled Trial" International Journal of Environmental Research and Public Health 15, no. 12: 2749.
        https://doi.org/10.3390/ijerph15122749
    
    APA Style
    
                                Guan, H.,                                 Wang, H.,                                 Du, K.,                                 Zhao, J.,                                 Boswell, M.,                                 Shi, Y.,                                 & Qian, Y.        
        
        (2018). The Effect of Providing Free Eyeglasses on Children’s Mental Health Outcomes in China: A Cluster-Randomized Controlled Trial. International Journal of Environmental Research and Public Health, 15(12), 2749.
        https://doi.org/10.3390/ijerph15122749