Adams, W. (1997). Future nature: A vision for conservation. Earthscan Publications.
Cita Chicago (17th ed.)Adams, W.M. Future Nature: A Vision for Conservation. London: Earthscan Publications, 1997.
Cita MLA (9th ed.)Adams, W.M. Future Nature: A Vision for Conservation. Earthscan Publications, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.