APA (7th ed.) Citation

Tawfik, A., Wahab, R. A., Al-Asmer, A., & Matary, F. (2011). Effect of hydraulic retention time on the performance of down-flow hanging sponge system treating grey wastewater. Bioprocess and biosystems engineering, 34(6), 767-776. https://doi.org/10.1007/s00449-011-0528-9

Chicago Style (17th ed.) Citation

Tawfik, Ahmed, Rifaat Abdel Wahab, Azza Al-Asmer, and Fatma Matary. "Effect of Hydraulic Retention Time on the Performance of Down-flow Hanging Sponge System Treating Grey Wastewater." Bioprocess and Biosystems Engineering 34, no. 6 (2011): 767-776. https://doi.org/10.1007/s00449-011-0528-9.

MLA (9th ed.) Citation

Tawfik, Ahmed, et al. "Effect of Hydraulic Retention Time on the Performance of Down-flow Hanging Sponge System Treating Grey Wastewater." Bioprocess and Biosystems Engineering, vol. 34, no. 6, 2011, pp. 767-776, https://doi.org/10.1007/s00449-011-0528-9.