APA (7th ed.) Citation

Pickering, K. T., & Owen, L. A. (1997). An introduction to global environmental isssues (2nd edition.). Routledge.

Chicago Style (17th ed.) Citation

Pickering, Kevin T., and Lewis A. Owen. An Introduction to Global Environmental Isssues. 2nd edition. London: Routledge, 1997.

MLA (8th ed.) Citation

Pickering, Kevin T., and Lewis A. Owen. An Introduction to Global Environmental Isssues. 2nd edition. Routledge, 1997.