Vella, S.A.;                     Schweickle, M.J.;                     Sutcliffe, J.;                     Liddelow, C.;                     Swann, C.    
        A Systems Theory of Mental Health in Recreational Sport. Int. J. Environ. Res. Public Health 2022, 19, 14244.
    https://doi.org/10.3390/ijerph192114244
    AMA Style
    
                                Vella SA,                                 Schweickle MJ,                                 Sutcliffe J,                                 Liddelow C,                                 Swann C.        
                A Systems Theory of Mental Health in Recreational Sport. International Journal of Environmental Research and Public Health. 2022; 19(21):14244.
        https://doi.org/10.3390/ijerph192114244
    
    Chicago/Turabian Style
    
                                Vella, Stewart A.,                                 Matthew J. Schweickle,                                 Jordan Sutcliffe,                                 Caitlin Liddelow,                                 and Christian Swann.        
                2022. "A Systems Theory of Mental Health in Recreational Sport" International Journal of Environmental Research and Public Health 19, no. 21: 14244.
        https://doi.org/10.3390/ijerph192114244
    
    APA Style
    
                                Vella, S. A.,                                 Schweickle, M. J.,                                 Sutcliffe, J.,                                 Liddelow, C.,                                 & Swann, C.        
        
        (2022). A Systems Theory of Mental Health in Recreational Sport. International Journal of Environmental Research and Public Health, 19(21), 14244.
        https://doi.org/10.3390/ijerph192114244