Cita APA (7th ed.)
Keohane, N. O., & Olmstead, S. M. (2007). Markets and the environment. Island Press.
Cita Chicago (17th ed.)
Keohane, Nathaniel O., i Sheila M. Olmstead. Markets and the Environment. Washington, DC: Island Press, 2007.
Cita MLA (9th ed.)
Keohane, Nathaniel O., i Sheila M. Olmstead. Markets and the Environment. Island Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.