Gao, X.;                     Chen, Q.;                     Zhou, Y.;                     Huang, S.;                     Shi, Y.;                     Li, X.    
        An Empirical Evaluation of the Critical Population Size for “Knowledge Spillover” Cities in China: The Significance of 10 Million. Urban Sci. 2025, 9, 245.
    https://doi.org/10.3390/urbansci9070245
    AMA Style
    
                                Gao X,                                 Chen Q,                                 Zhou Y,                                 Huang S,                                 Shi Y,                                 Li X.        
                An Empirical Evaluation of the Critical Population Size for “Knowledge Spillover” Cities in China: The Significance of 10 Million. Urban Science. 2025; 9(7):245.
        https://doi.org/10.3390/urbansci9070245
    
    Chicago/Turabian Style
    
                                Gao, Xiaohui,                                 Qinghua Chen,                                 Ya Zhou,                                 Siyu Huang,                                 Yi Shi,                                 and Xiaomeng Li.        
                2025. "An Empirical Evaluation of the Critical Population Size for “Knowledge Spillover” Cities in China: The Significance of 10 Million" Urban Science 9, no. 7: 245.
        https://doi.org/10.3390/urbansci9070245
    
    APA Style
    
                                Gao, X.,                                 Chen, Q.,                                 Zhou, Y.,                                 Huang, S.,                                 Shi, Y.,                                 & Li, X.        
        
        (2025). An Empirical Evaluation of the Critical Population Size for “Knowledge Spillover” Cities in China: The Significance of 10 Million. Urban Science, 9(7), 245.
        https://doi.org/10.3390/urbansci9070245