APA (7th ed.) Citation

Townsend, C. R. (1980). The ecology of streams and rivers (1. publ.). Arnold.

Chicago Style (17th ed.) Citation

Townsend, Colin R. The Ecology of Streams and Rivers. 1. publ. London: Arnold, 1980.

MLA (9th ed.) Citation

Townsend, Colin R. The Ecology of Streams and Rivers. 1. publ. Arnold, 1980.