APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Opschoor, Johannes B., Kenneth John Button, and Peter Nijkamp. Environmental Economics and Development. Cheltenham, UK: E. Elgar Pub, 1999.

MLA (9th ed.) Citation

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