APA (7th ed.) Citation

Monteiro, A., Miranda, A. I., Borrego, C., & Vautard, R. (2007). Air quality assessment for Portugal.

Chicago Style (17th ed.) Citation

Monteiro, A., A. I. Miranda, C. Borrego, and R. Vautard. Air Quality Assessment for Portugal. 2007.

MLA (8th ed.) Citation

Monteiro, A., et al. Air Quality Assessment for Portugal. 2007.