Zhang, M.-X.;                     Pan, G.-T.;                     Guo, J.-F.;                     Li, B.-Y.;                     Qin, L.-Q.;                     Zhang, Z.-L.    
        Vitamin D Deficiency Increases the Risk of Gestational Diabetes Mellitus: A Meta-Analysis of Observational Studies. Nutrients 2015, 7, 8366-8375.
    https://doi.org/10.3390/nu7105398
    AMA Style
    
                                Zhang M-X,                                 Pan G-T,                                 Guo J-F,                                 Li B-Y,                                 Qin L-Q,                                 Zhang Z-L.        
                Vitamin D Deficiency Increases the Risk of Gestational Diabetes Mellitus: A Meta-Analysis of Observational Studies. Nutrients. 2015; 7(10):8366-8375.
        https://doi.org/10.3390/nu7105398
    
    Chicago/Turabian Style
    
                                Zhang, Meng-Xi,                                 Guo-Tao Pan,                                 Jian-Fen Guo,                                 Bing-Yan Li,                                 Li-Qiang Qin,                                 and Zeng-Li Zhang.        
                2015. "Vitamin D Deficiency Increases the Risk of Gestational Diabetes Mellitus: A Meta-Analysis of Observational Studies" Nutrients 7, no. 10: 8366-8375.
        https://doi.org/10.3390/nu7105398
    
    APA Style
    
                                Zhang, M.-X.,                                 Pan, G.-T.,                                 Guo, J.-F.,                                 Li, B.-Y.,                                 Qin, L.-Q.,                                 & Zhang, Z.-L.        
        
        (2015). Vitamin D Deficiency Increases the Risk of Gestational Diabetes Mellitus: A Meta-Analysis of Observational Studies. Nutrients, 7(10), 8366-8375.
        https://doi.org/10.3390/nu7105398