Cita APA (7th ed.)

Stephens, S. (2011). Wastwater. Bloomsbury Publishing.

Cita Chicago (17th ed.)

Stephens, Simon. Wastwater. Bloomsbury Publishing, 2011.

Cita MLA (9th ed.)

Stephens, Simon. Wastwater. Bloomsbury Publishing, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.