Ashley, D.L.;                     De Jesús, V.R.;                     Abulseoud, O.A.;                     Huestis, M.A.;                     Milan, D.F.;                     Blount, B.C.    
        Urinary Acrylonitrile Metabolite Concentrations Before and after Smoked, Vaporized, and Oral Cannabis in Frequent and Occasional Cannabis Users. Int. J. Environ. Res. Public Health 2020, 17, 6438.
    https://doi.org/10.3390/ijerph17186438
    AMA Style
    
                                Ashley DL,                                 De Jesús VR,                                 Abulseoud OA,                                 Huestis MA,                                 Milan DF,                                 Blount BC.        
                Urinary Acrylonitrile Metabolite Concentrations Before and after Smoked, Vaporized, and Oral Cannabis in Frequent and Occasional Cannabis Users. International Journal of Environmental Research and Public Health. 2020; 17(18):6438.
        https://doi.org/10.3390/ijerph17186438
    
    Chicago/Turabian Style
    
                                Ashley, David L.,                                 VÃctor R. De Jesús,                                 Osama A. Abulseoud,                                 Marilyn A. Huestis,                                 Daniel F. Milan,                                 and Benjamin C. Blount.        
                2020. "Urinary Acrylonitrile Metabolite Concentrations Before and after Smoked, Vaporized, and Oral Cannabis in Frequent and Occasional Cannabis Users" International Journal of Environmental Research and Public Health 17, no. 18: 6438.
        https://doi.org/10.3390/ijerph17186438
    
    APA Style
    
                                Ashley, D. L.,                                 De Jesús, V. R.,                                 Abulseoud, O. A.,                                 Huestis, M. A.,                                 Milan, D. F.,                                 & Blount, B. C.        
        
        (2020). Urinary Acrylonitrile Metabolite Concentrations Before and after Smoked, Vaporized, and Oral Cannabis in Frequent and Occasional Cannabis Users. International Journal of Environmental Research and Public Health, 17(18), 6438.
        https://doi.org/10.3390/ijerph17186438