Kruger, J.;                     Jama, A.;                     Kegler, M.;                     Marynak, K.;                     King, B.    
        National and State-Specific Attitudes toward Smoke-Free Parks among U.S. Adults. Int. J. Environ. Res. Public Health 2016, 13, 864.
    https://doi.org/10.3390/ijerph13090864
    AMA Style
    
                                Kruger J,                                 Jama A,                                 Kegler M,                                 Marynak K,                                 King B.        
                National and State-Specific Attitudes toward Smoke-Free Parks among U.S. Adults. International Journal of Environmental Research and Public Health. 2016; 13(9):864.
        https://doi.org/10.3390/ijerph13090864
    
    Chicago/Turabian Style
    
                                Kruger, Judy,                                 Amal Jama,                                 Michelle Kegler,                                 Kristy Marynak,                                 and Brian King.        
                2016. "National and State-Specific Attitudes toward Smoke-Free Parks among U.S. Adults" International Journal of Environmental Research and Public Health 13, no. 9: 864.
        https://doi.org/10.3390/ijerph13090864
    
    APA Style
    
                                Kruger, J.,                                 Jama, A.,                                 Kegler, M.,                                 Marynak, K.,                                 & King, B.        
        
        (2016). National and State-Specific Attitudes toward Smoke-Free Parks among U.S. Adults. International Journal of Environmental Research and Public Health, 13(9), 864.
        https://doi.org/10.3390/ijerph13090864