Keke, C.;                     Wilson, Z.;                     Lebina, L.;                     Motlhaoleng, K.;                     Abrams, D.;                     Variava, E.;                     Gupte, N.;                     Niaura, R.;                     Martinson, N.;                     Golub, J.E.;     
    et al.    A Cross-Sectional Analysis of the Nicotine Metabolite Ratio and Its Association with Sociodemographic and Smoking Characteristics among People with HIV Who Smoke in South Africa. Int. J. Environ. Res. Public Health 2023, 20, 5090.
    https://doi.org/10.3390/ijerph20065090
    AMA Style
    
                                Keke C,                                 Wilson Z,                                 Lebina L,                                 Motlhaoleng K,                                 Abrams D,                                 Variava E,                                 Gupte N,                                 Niaura R,                                 Martinson N,                                 Golub JE,         
        et al.        A Cross-Sectional Analysis of the Nicotine Metabolite Ratio and Its Association with Sociodemographic and Smoking Characteristics among People with HIV Who Smoke in South Africa. International Journal of Environmental Research and Public Health. 2023; 20(6):5090.
        https://doi.org/10.3390/ijerph20065090
    
    Chicago/Turabian Style
    
                                Keke, Chukwudi,                                 Zane Wilson,                                 Limakatso Lebina,                                 Katlego Motlhaoleng,                                 David Abrams,                                 Ebrahim Variava,                                 Nikhil Gupte,                                 Raymond Niaura,                                 Neil Martinson,                                 Jonathan E. Golub,         
         and et al.        2023. "A Cross-Sectional Analysis of the Nicotine Metabolite Ratio and Its Association with Sociodemographic and Smoking Characteristics among People with HIV Who Smoke in South Africa" International Journal of Environmental Research and Public Health 20, no. 6: 5090.
        https://doi.org/10.3390/ijerph20065090
    
    APA Style
    
                                Keke, C.,                                 Wilson, Z.,                                 Lebina, L.,                                 Motlhaoleng, K.,                                 Abrams, D.,                                 Variava, E.,                                 Gupte, N.,                                 Niaura, R.,                                 Martinson, N.,                                 Golub, J. E.,                                 & Elf, J. L.        
        
        (2023). A Cross-Sectional Analysis of the Nicotine Metabolite Ratio and Its Association with Sociodemographic and Smoking Characteristics among People with HIV Who Smoke in South Africa. International Journal of Environmental Research and Public Health, 20(6), 5090.
        https://doi.org/10.3390/ijerph20065090