Style de citation APA (7e éd.)

Halling-S�rensen, B., & J�rgensen, S. E. (1993). The removal of nitrogen compounds from wastewater. Elsevier.

Style de citation Chicago (17e éd.)

Halling-S�rensen, B., et Sven Erik J�rgensen. The Removal of Nitrogen Compounds from Wastewater. Amsterdam ; New York: Elsevier, 1993.

Style de citation MLA (8e éd.)

Halling-S�rensen, B., et Sven Erik J�rgensen. The Removal of Nitrogen Compounds from Wastewater. Elsevier, 1993.