Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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