APA (7th ed.) Citation

David Hughes, Tim Jewell, Paula de Prez, Jason Lowther, & Neil Parpworth. (2005). Environmental law. Butterworths.

Chicago Style (17th ed.) Citation

David Hughes, Tim Jewell, Paula de Prez, Jason Lowther, and Neil Parpworth. Environmental Law. London: Butterworths, 2005.

MLA (9th ed.) Citation

David Hughes, et al. Environmental Law. Butterworths, 2005.