Cita APA (7th ed.)
Sergi Sabater, A. G. The Llobregat: The Story of a Polluted Mediterranean River. Springer.
Cita Chicago (17th ed.)
Sergi Sabater, Antoni Ginebreda. The Llobregat: The Story of a Polluted Mediterranean River. Berlín, Alemania: Springer.
Cita MLA (9th ed.)
Sergi Sabater, Antoni Ginebreda. The Llobregat: The Story of a Polluted Mediterranean River. Springer.
Atenció: Aquestes cites poden no estar 100% correctes.