APA (7th ed.) Citation

Rebelo, M., & Pereira, A. (2015). Groundwater protection and preservation - Results from a survey to Portuguese farmers.

Chicago Style (17th ed.) Citation

Rebelo, M., and A. Pereira. Groundwater Protection and Preservation - Results from a Survey to Portuguese Farmers. 2015.

MLA (8th ed.) Citation

Rebelo, M., and A. Pereira. Groundwater Protection and Preservation - Results from a Survey to Portuguese Farmers. 2015.

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