Cita APA (7th ed.)
Siebert, H. (2008). Economics of the Environment: Theory and Policy (7.). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-73707-0
Cita Chicago (17th ed.)
Siebert, Horst. Economics of the Environment: Theory and Policy. 7. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. https://doi.org/10.1007/978-3-540-73707-0.
Cita MLA (9th ed.)
Siebert, Horst. Economics of the Environment: Theory and Policy. 7. Springer Berlin Heidelberg, 2008. https://doi.org/10.1007/978-3-540-73707-0.
Atenció: Aquestes cites poden no estar 100% correctes.