Cita APA (7th ed.)
Calow, P., & Petts, G. E. The Rivers Handbook: Hydrological and Ecological Principles. Blackwell.
Cita Chicago (17th ed.)
Calow, Peter, i Geoffrey E. Petts. The Rivers Handbook: Hydrological and Ecological Principles. Oxford, Inglaterra: Blackwell.
Cita MLA (9th ed.)
Calow, Peter, i Geoffrey E. Petts. The Rivers Handbook: Hydrological and Ecological Principles. Blackwell.
Atenció: Aquestes cites poden no estar 100% correctes.