APA (7th ed.) Citation

Pereira, S., Ferreira, P. V., & Vaz, A. I. F. (2013). Electricity cost optimization in a renewable energy.

Chicago Style (17th ed.) Citation

Pereira, Sérgio, Paula Varandas Ferreira, and A. Ismael F. Vaz. Electricity Cost Optimization in a Renewable Energy. 2013.

MLA (8th ed.) Citation

Pereira, Sérgio, et al. Electricity Cost Optimization in a Renewable Energy. 2013.