APA (7th ed.) Citation

Perman, R., Ma, Y., Commom, M., Maddison, D., & McGilvray, J. (2011). Natural Resource and Environmental Economics. Harlow, Essex : Pearson Addison Wesley.

Chicago Style (17th ed.) Citation

Perman, Roger, Yue Ma, Michael Commom, David Maddison, and James McGilvray. Natural Resource and Environmental Economics. Harlow, Essex : Pearson Addison Wesley, 2011.

MLA (9th ed.) Citation

Perman, Roger, et al. Natural Resource and Environmental Economics. Harlow, Essex : Pearson Addison Wesley, 2011.