Cita APA (7a ed.)

Simpson, R. D., Toman, M. A., & Ayres, R. U. (2005). Scarcity and growth revisited: Natural resources and the environment in the new millennium. Resources for the Future.

Cita Chicago Style (17a ed.)

Simpson, Ralph David, Michael A. Toman, y Robert U. Ayres. Scarcity and Growth Revisited: Natural Resources and the Environment in the New Millennium. Washington, DC: Resources for the Future, 2005.

Cita MLA (8a ed.)

Simpson, Ralph David, et al. Scarcity and Growth Revisited: Natural Resources and the Environment in the New Millennium. Resources for the Future, 2005.