Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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