Periyakoil, D.;                     Das, H.P.;                     Miller, C.;                     Spanos, C.J.;                     Prata, N.    
        Environmental Exposures in Singapore Schools: An Ecological Study. Int. J. Environ. Res. Public Health 2021, 18, 1843.
    https://doi.org/10.3390/ijerph18041843
    AMA Style
    
                                Periyakoil D,                                 Das HP,                                 Miller C,                                 Spanos CJ,                                 Prata N.        
                Environmental Exposures in Singapore Schools: An Ecological Study. International Journal of Environmental Research and Public Health. 2021; 18(4):1843.
        https://doi.org/10.3390/ijerph18041843
    
    Chicago/Turabian Style
    
                                Periyakoil, Divya,                                 Hari Prasanna Das,                                 Clayton Miller,                                 Costas J. Spanos,                                 and Ndola Prata.        
                2021. "Environmental Exposures in Singapore Schools: An Ecological Study" International Journal of Environmental Research and Public Health 18, no. 4: 1843.
        https://doi.org/10.3390/ijerph18041843
    
    APA Style
    
                                Periyakoil, D.,                                 Das, H. P.,                                 Miller, C.,                                 Spanos, C. J.,                                 & Prata, N.        
        
        (2021). Environmental Exposures in Singapore Schools: An Ecological Study. International Journal of Environmental Research and Public Health, 18(4), 1843.
        https://doi.org/10.3390/ijerph18041843