Guo, X.;                     Xu, Z.;                     Zhang, J.;                     Lu, J.;                     Zhang, H.    
        An OD Flow Clustering Method Based on Vector Constraints: A Case Study for Beijing Taxi Origin-Destination Data. ISPRS Int. J. Geo-Inf. 2020, 9, 128.
    https://doi.org/10.3390/ijgi9020128
    AMA Style
    
                                Guo X,                                 Xu Z,                                 Zhang J,                                 Lu J,                                 Zhang H.        
                An OD Flow Clustering Method Based on Vector Constraints: A Case Study for Beijing Taxi Origin-Destination Data. ISPRS International Journal of Geo-Information. 2020; 9(2):128.
        https://doi.org/10.3390/ijgi9020128
    
    Chicago/Turabian Style
    
                                Guo, Xiaogang,                                 Zhijie Xu,                                 Jianqin Zhang,                                 Jian Lu,                                 and Hao Zhang.        
                2020. "An OD Flow Clustering Method Based on Vector Constraints: A Case Study for Beijing Taxi Origin-Destination Data" ISPRS International Journal of Geo-Information 9, no. 2: 128.
        https://doi.org/10.3390/ijgi9020128
    
    APA Style
    
                                Guo, X.,                                 Xu, Z.,                                 Zhang, J.,                                 Lu, J.,                                 & Zhang, H.        
        
        (2020). An OD Flow Clustering Method Based on Vector Constraints: A Case Study for Beijing Taxi Origin-Destination Data. ISPRS International Journal of Geo-Information, 9(2), 128.
        https://doi.org/10.3390/ijgi9020128