Cita APA (7th ed.)

Berry, R. (1993). Environmental dilemmas: Ethics and decisions. Chapman & Hall.

Cita Chicago (17th ed.)

Berry, R.J. Environmental Dilemmas: Ethics and Decisions. London: Chapman & Hall, 1993.

Cita MLA (9th ed.)

Berry, R.J. Environmental Dilemmas: Ethics and Decisions. Chapman & Hall, 1993.