APA (7th ed.) Citation

Vieira, J. M. P., Duarte, A. A. L. S., Pinho, J. L. S., & Boaventura, R. A. R. (1999). A contribution to drinking water sources protection strategies in a portuguese river basin.

Chicago Style (17th ed.) Citation

Vieira, J. M. Pereira, António A. L. Sampaio Duarte, José L. S. Pinho, and Rui A. Rocha Boaventura. A Contribution to Drinking Water Sources Protection Strategies in a Portuguese River Basin. 1999.

MLA (8th ed.) Citation

Vieira, J. M. Pereira, et al. A Contribution to Drinking Water Sources Protection Strategies in a Portuguese River Basin. 1999.