Cita APA (7th ed.)

Keddy, P. A. (2000). Wetland ecology Principles and conservation. UniversityPr..

Cita Chicago (17th ed.)

Keddy, Paul A. Wetland Ecology Principles and Conservation. Cambridge: UniversityPr., 2000.

Cita MLA (9th ed.)

Keddy, Paul A. Wetland Ecology Principles and Conservation. UniversityPr., 2000.