APA (7th ed.) Citation

Hallin, S., & Hasselblad, S. (1998). Intermittent addition of external carbon to enhance denitrification in activated sludge. Water Science & Technology, 37(9), 227. https://doi.org/10.1016/S0273-1223(98)00292-3

Chicago Style (17th ed.) Citation

Hallin, S., and S. Hasselblad. "Intermittent Addition of External Carbon to Enhance Denitrification in Activated Sludge." Water Science & Technology 37, no. 9 (1998): 227. https://doi.org/10.1016/S0273-1223(98)00292-3.

MLA (9th ed.) Citation

Hallin, S., and S. Hasselblad. "Intermittent Addition of External Carbon to Enhance Denitrification in Activated Sludge." Water Science & Technology, vol. 37, no. 9, 1998, p. 227, https://doi.org/10.1016/S0273-1223(98)00292-3.

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