APA (7th ed.) Citation

Ribeiro, P., Albuquerque, A., Nova, L. Q., & Cavaleiro, V. (2014). Recycling pulp mill sludge to improve soil fertility using GIS tools.

Chicago Style (17th ed.) Citation

Ribeiro, Paulo, Antonio Albuquerque, Luis Quinta Nova, and Victor Cavaleiro. Recycling Pulp Mill Sludge to Improve Soil Fertility Using GIS Tools. 2014.

MLA (8th ed.) Citation

Ribeiro, Paulo, et al. Recycling Pulp Mill Sludge to Improve Soil Fertility Using GIS Tools. 2014.

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