Cita APA (7th ed.)

Barr, S. (2008). Environment and society: Sustainability, policy and the citizen. Ashgate.

Cita Chicago (17th ed.)

Barr, Stewart. Environment and Society: Sustainability, Policy and the Citizen. Aldershot, England ; Burlington, VT: Ashgate, 2008.

Cita MLA (9th ed.)

Barr, Stewart. Environment and Society: Sustainability, Policy and the Citizen. Ashgate, 2008.