Cita APA (7th ed.)

Attfield, R. (1983). The ethics of environmental concern: The ethics of environmental concern. Basil Blackwell.

Cita Chicago (17th ed.)

Attfield, Robin. The Ethics of Environmental Concern: The Ethics of Environmental Concern. Oxford: Basil Blackwell, 1983.

Cita MLA (9th ed.)

Attfield, Robin. The Ethics of Environmental Concern: The Ethics of Environmental Concern. Basil Blackwell, 1983.