Schaeffer, F. A. (1970). Pollution and the death of man: The Christian view of ecology. Tyndale House Publishers.
Cita Chicago (17th ed.)Schaeffer, Francis A. Pollution and the Death of Man: The Christian View of Ecology. Wheaton, Illinois: Tyndale House Publishers, 1970.
Cita MLA (9th ed.)Schaeffer, Francis A. Pollution and the Death of Man: The Christian View of Ecology. Tyndale House Publishers, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.