APA (7th ed.) Citation

Ferreira, P. V., Araújo, M. M. T. d., & O’Kelly, M. E. J. (2007). An overview of the Portuguese wind power sector.

Chicago Style (17th ed.) Citation

Ferreira, Paula Varandas, Maria Madalena Teixeira de Araújo, and M. E. J. O’Kelly. An Overview of the Portuguese Wind Power Sector. 2007.

MLA (8th ed.) Citation

Ferreira, Paula Varandas, et al. An Overview of the Portuguese Wind Power Sector. 2007.