Cita APA (7th ed.)

Harrison, P. (1992). The Third Revolution: Environment, population and a sustainable world. I.B. Tauris.

Cita Chicago (17th ed.)

Harrison, Paul. The Third Revolution: Environment, Population and a Sustainable World. London: I.B. Tauris, 1992.

Cita MLA (9th ed.)

Harrison, Paul. The Third Revolution: Environment, Population and a Sustainable World. I.B. Tauris, 1992.