APA (7th ed.) Citation

Martins, L. S., Fortunato, C., & Pires, V. F. (2013). A computer-based testing system to evaluate protective relays as a tool in power system protection education.

Chicago Style (17th ed.) Citation

Martins, L. Sousa, Carlos Fortunato, and V. Fernão Pires. A Computer-based Testing System to Evaluate Protective Relays as a Tool in Power System Protection Education. 2013.

MLA (8th ed.) Citation

Martins, L. Sousa, et al. A Computer-based Testing System to Evaluate Protective Relays as a Tool in Power System Protection Education. 2013.

Warning: These citations may not always be 100% accurate.