APA (7th ed.) Citation

Paulo, A., Rosa, R., & Pereira, L. (2012). Climate trends and behaviour of drought indices based on precipitation and evapotranspiration in Portugal.

Chicago Style (17th ed.) Citation

Paulo, A.A, R.D Rosa, and L.S Pereira. Climate Trends and Behaviour of Drought Indices Based on Precipitation and Evapotranspiration in Portugal. 2012.

MLA (8th ed.) Citation

Paulo, A.A, et al. Climate Trends and Behaviour of Drought Indices Based on Precipitation and Evapotranspiration in Portugal. 2012.