Cita APA (7a ed.)

Cooper, D. E., & Palmer-Cooper, J. A. (1992). The environment in question: Ethics and global issues. Routledge.

Cita Chicago Style (17a ed.)

Cooper, David Edward, y Joy A. Palmer-Cooper. The Environment in Question: Ethics and Global Issues. London ; New York: Routledge, 1992.

Cita MLA (8a ed.)

Cooper, David Edward, y Joy A. Palmer-Cooper. The Environment in Question: Ethics and Global Issues. Routledge, 1992.