Emergy-based Ecological Economic Evaluation of Beijing Urban Ecosystem.

MLA

Liu, Gengyuan, et al. “Emergy-Based Ecological Economic Evaluation of Beijing Urban Ecosystem.” Procedia Environmental Sciences, vol. 5, Oct. 2011, pp. 18–24. EBSCOhost, https://doi.org/10.1016/j.proenv.2011.03.042.

APA

Liu, G., Yang, Z., & Chen, B. (2011). Emergy-based Ecological Economic Evaluation of Beijing Urban Ecosystem. Procedia Environmental Sciences, 5, 18–24. https://doi.org/10.1016/j.proenv.2011.03.042

Chicago

Liu, Gengyuan, Zhifeng Yang, and Bin Chen. 2011. “Emergy-Based Ecological Economic Evaluation of Beijing Urban Ecosystem.” Procedia Environmental Sciences 5 (October): 18–24. doi:10.1016/j.proenv.2011.03.042.