APA (7th ed.) Citation

NetLibrary, Inc, & Allaby, M. (1998). A dictionary of ecology (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

NetLibrary, Inc, and Michael Allaby. A Dictionary of Ecology. 2nd ed. New York: Oxford University Press, 1998.

MLA (9th ed.) Citation

NetLibrary, Inc, and Michael Allaby. A Dictionary of Ecology. 2nd ed. Oxford University Press, 1998.