APA (7th ed.) Citation

Pereira, D. I., Pereira, P., Alves, M. I. C., & Brilha, J. B. (2004). Geomorphological frameworks in Portugal - a contribution for the characterzation of the geological heritage.

Chicago Style (17th ed.) Citation

Pereira, D. I., Paulo Pereira, M. I. Caetano Alves, and J. B. Brilha. Geomorphological Frameworks in Portugal - a Contribution for the Characterzation of the Geological Heritage. 2004.

MLA (8th ed.) Citation

Pereira, D. I., et al. Geomorphological Frameworks in Portugal - a Contribution for the Characterzation of the Geological Heritage. 2004.