APA (7th ed.) Citation

Noncheva, V., Mendes, A. B., & Silva, E. (2013). An Approach to Variable Aggregation in Efficiency Analysis.

Chicago Style (17th ed.) Citation

Noncheva, Veska, Armando B. Mendes, and Emiliana Silva. An Approach to Variable Aggregation in Efficiency Analysis. 2013.

MLA (8th ed.) Citation

Noncheva, Veska, et al. An Approach to Variable Aggregation in Efficiency Analysis. 2013.