Cita APA (7th ed.)

(1999). Ecosystems and nature: Economics, science and policy. Edward Elgar.

Cita Chicago (17th ed.)

Ecosystems and Nature: Economics, Science and Policy. Cheltenham: Edward Elgar, 1999.

Cita MLA (9th ed.)

Ecosystems and Nature: Economics, Science and Policy. Edward Elgar, 1999.