Cita APA (7th ed.)

Wadebridge Ecological Centre. (1979). The ecologist. Ecosystems Ltd. ; Distributed in North America by the MIT Press.

Cita Chicago (17th ed.)

Wadebridge Ecological Centre. The Ecologist. Wadebridge, Cornwall, UK : Cambridge, MA: Ecosystems Ltd. ; Distributed in North America by the MIT Press, 1979.

Cita MLA (9th ed.)

Wadebridge Ecological Centre. The Ecologist. Ecosystems Ltd. ; Distributed in North America by the MIT Press, 1979.