Cita APA (7a ed.)

Ashley, R. (2004). Solids in sewers: Characteristics, effects and control of sewer solids and associated pollutants. IWA Publishing.

Cita Chicago Style (17a ed.)

Ashley, R.M. Solids in Sewers: Characteristics, Effects and Control of Sewer Solids and Associated Pollutants. London: IWA Publishing, 2004.

Cita MLA (9a ed.)

Ashley, R.M. Solids in Sewers: Characteristics, Effects and Control of Sewer Solids and Associated Pollutants. IWA Publishing, 2004.