Cita APA (7th ed.)

Gabor, D., & Colombo, U. (1981). Beyond the age of waste: A report to the Club of Rome (2nd ed.). Pergamon Press.

Cita Chicago (17th ed.)

Gabor, Dennis, i Umberto Colombo. Beyond the Age of Waste: A Report to the Club of Rome. 2nd ed. Oxford, [Eng.]: Pergamon Press, 1981.

Cita MLA (9th ed.)

Gabor, Dennis, i Umberto Colombo. Beyond the Age of Waste: A Report to the Club of Rome. 2nd ed. Pergamon Press, 1981.