APA (7th ed.) Citation

Greco, S., Ishizaka, A., Tasiou, M., & Torrisi, G. (2019). Sigma-Mu efficiency analysis: A methodology for evaluating units through composite indicators. European journal of operational research, 278(3), 942-960. https://doi.org/10.1016/j.ejor.2019.04.012

Chicago Style (17th ed.) Citation

Greco, Salvatore, Alessio Ishizaka, Menelaos Tasiou, and Gianpiero Torrisi. "Sigma-Mu Efficiency Analysis: A Methodology for Evaluating Units Through Composite Indicators." European Journal of Operational Research 278, no. 3 (2019): 942-960. https://doi.org/10.1016/j.ejor.2019.04.012.

MLA (9th ed.) Citation

Greco, Salvatore, et al. "Sigma-Mu Efficiency Analysis: A Methodology for Evaluating Units Through Composite Indicators." European Journal of Operational Research, vol. 278, no. 3, 2019, pp. 942-960, https://doi.org/10.1016/j.ejor.2019.04.012.