APA (7th ed.) Citation

Pereira, P., Pereira, D. I., & Alves, M. I. C. (2009). The geomorphological heritage approach in protected areas: Geoconservation vs. geotourism in Portuguese natural parks.

Chicago Style (17th ed.) Citation

Pereira, Paulo, D. I. Pereira, and M. I. Caetano Alves. The Geomorphological Heritage Approach in Protected Areas: Geoconservation Vs. Geotourism in Portuguese Natural Parks. 2009.

MLA (8th ed.) Citation

Pereira, Paulo, et al. The Geomorphological Heritage Approach in Protected Areas: Geoconservation Vs. Geotourism in Portuguese Natural Parks. 2009.