Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.