Attfield, R. (2014). Environmental ethics: An overview for the twenty-first century (Second edition, fully rev. and expanded.). Polity Press.
Citazione stile Chigago Style (17a edizione)Attfield, Robin. Environmental Ethics: An Overview for the Twenty-first Century. Second edition, fully rev. and expanded. London: Polity Press, 2014.
Citatione MLA (9a ed.)Attfield, Robin. Environmental Ethics: An Overview for the Twenty-first Century. Second edition, fully rev. and expanded. Polity Press, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.