Cita APA (7th ed.)
(1992). Rational readings on environmental concerns. Van Nostrand Reinhold.
Cita Chicago (17th ed.)
Rational Readings on Environmental Concerns. Nueva York, EUA: Van Nostrand Reinhold, 1992.
Cita MLA (9th ed.)
Rational Readings on Environmental Concerns. Van Nostrand Reinhold, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.