APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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