Cita APA (7a ed.)

Opschoor, J. B., Button, K. J., & Nijkamp, P. (1999). Environmental economics and development. Edward Elgar.

Cita Chicago Style (17a ed.)

Opschoor, Johannes B., Kenneth John Button, y Peter Nijkamp. Environmental Economics and Development. Cheltenham [etc.]: Edward Elgar, 1999.

Cita MLA (9a ed.)

Opschoor, Johannes B., et al. Environmental Economics and Development. Edward Elgar, 1999.