Cita APA (7a ed.)

Harbaugh, W., Levinson, A., & Wilson, D. M. (2000). Reexamining the empirical evidence for an environmental Kuznets curve. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Harbaugh, William, Arik Levinson, y David Molloy Wilson. Reexamining the Empirical Evidence for an Environmental Kuznets Curve. Cambridge, MA: National Bureau of Economic Research, 2000.

Cita MLA (9a ed.)

Harbaugh, William, et al. Reexamining the Empirical Evidence for an Environmental Kuznets Curve. National Bureau of Economic Research, 2000.