van der Valk, A. G. (2012). The biology of freshwater wetlands (2nd ed.). Oxford University Press.
Chicago Edition Citationvan der Valk, Arnold G. The Biology of Freshwater Wetlands. 2nd ed. Oxford: Oxford University Press, 2012.
MLA Edition Citationvan der Valk, Arnold G. The Biology of Freshwater Wetlands. 2nd ed. Oxford University Press, 2012.
Warning: These citations may not always be 100% accurate.