Wang, X.;                     Jiang, M.;                     Guo, Z.;                     Hu, N.;                     Sun, Z.;                     Liu, J.    
        An Indoor Positioning Method for Smartphones Using Landmarks and PDR. Sensors 2016, 16, 2135.
    https://doi.org/10.3390/s16122135
    AMA Style
    
                                Wang X,                                 Jiang M,                                 Guo Z,                                 Hu N,                                 Sun Z,                                 Liu J.        
                An Indoor Positioning Method for Smartphones Using Landmarks and PDR. Sensors. 2016; 16(12):2135.
        https://doi.org/10.3390/s16122135
    
    Chicago/Turabian Style
    
                                Wang, Xi,                                 Mingxing Jiang,                                 Zhongwen Guo,                                 Naijun Hu,                                 Zhongwei Sun,                                 and Jing Liu.        
                2016. "An Indoor Positioning Method for Smartphones Using Landmarks and PDR" Sensors 16, no. 12: 2135.
        https://doi.org/10.3390/s16122135
    
    APA Style
    
                                Wang, X.,                                 Jiang, M.,                                 Guo, Z.,                                 Hu, N.,                                 Sun, Z.,                                 & Liu, J.        
        
        (2016). An Indoor Positioning Method for Smartphones Using Landmarks and PDR. Sensors, 16(12), 2135.
        https://doi.org/10.3390/s16122135