Barański, K.;                     Brożek, G.;                     Kowalska, M.;                     Kaleta-Pilarska, A.;                     Zejda, J.E.    
        Impact of COVID-19 Pandemic on Total Mortality in Poland. Int. J. Environ. Res. Public Health 2021, 18, 4388.
    https://doi.org/10.3390/ijerph18084388
    AMA Style
    
                                Barański K,                                 Brożek G,                                 Kowalska M,                                 Kaleta-Pilarska A,                                 Zejda JE.        
                Impact of COVID-19 Pandemic on Total Mortality in Poland. International Journal of Environmental Research and Public Health. 2021; 18(8):4388.
        https://doi.org/10.3390/ijerph18084388
    
    Chicago/Turabian Style
    
                                Barański, Kamil,                                 Grzegorz Brożek,                                 Małgorzata Kowalska,                                 Angelina Kaleta-Pilarska,                                 and Jan Eugeniusz Zejda.        
                2021. "Impact of COVID-19 Pandemic on Total Mortality in Poland" International Journal of Environmental Research and Public Health 18, no. 8: 4388.
        https://doi.org/10.3390/ijerph18084388
    
    APA Style
    
                                Barański, K.,                                 Brożek, G.,                                 Kowalska, M.,                                 Kaleta-Pilarska, A.,                                 & Zejda, J. E.        
        
        (2021). Impact of COVID-19 Pandemic on Total Mortality in Poland. International Journal of Environmental Research and Public Health, 18(8), 4388.
        https://doi.org/10.3390/ijerph18084388