APA (7th ed.) Citation

Collin, P. H. (2001). Dictionary of ecology and the environment (4th ed.). Peter Collin.

Chicago Style (17th ed.) Citation

Collin, P. H. Dictionary of Ecology and the Environment. 4th ed. London: Peter Collin, 2001.

MLA (9th ed.) Citation

Collin, P. H. Dictionary of Ecology and the Environment. 4th ed. Peter Collin, 2001.