APA (7th ed.) Citation

Coutinho, J., Arrobas, M., & Rodrigues, O. (2011). Effect of composted sewage sludge amendment on soil nitrogen and phosphorus availability.

Chicago Style (17th ed.) Citation

Coutinho, João, Margarida Arrobas, and Olga Rodrigues. Effect of Composted Sewage Sludge Amendment on Soil Nitrogen and Phosphorus Availability. 2011.

MLA (8th ed.) Citation

Coutinho, João, et al. Effect of Composted Sewage Sludge Amendment on Soil Nitrogen and Phosphorus Availability. 2011.