APA (7th ed.) Citation

Valk, A. v. d. (2006). The biology of freshwater wetlands. Oxford University Press.

Chicago Style (17th ed.) Citation

Valk, Arnoud van der. The Biology of Freshwater Wetlands. Oxford ; New York: Oxford University Press, 2006.

MLA (9th ed.) Citation

Valk, Arnoud van der. The Biology of Freshwater Wetlands. Oxford University Press, 2006.