APA (7th ed.) Citation

Halling-Sørensen, B., & Jørgensen, S. E. (1993). The removal of nitrogen compounds from wastewater. Elsevier.

Chicago Style (17th ed.) Citation

Halling-Sørensen, B., and Sven Erik Jørgensen. The Removal of Nitrogen Compounds from Wastewater. Amsterdam ; New York: Elsevier, 1993.

MLA (9th ed.) Citation

Halling-Sørensen, B., and Sven Erik Jørgensen. The Removal of Nitrogen Compounds from Wastewater. Elsevier, 1993.