Cita APA (7a ed.)

Attfield, R. (2014). Environmental ethics: An overview for the twenty-first century (Second edition, fully rev. and expanded.). Polity Press.

Cita Chicago Style (17a ed.)

Attfield, Robin. Environmental Ethics: An Overview for the Twenty-first Century. Second edition, fully rev. and expanded. London: Polity Press, 2014.

Cita MLA (9a ed.)

Attfield, Robin. Environmental Ethics: An Overview for the Twenty-first Century. Second edition, fully rev. and expanded. Polity Press, 2014.