APA (7th ed.) Citation

Dudley, W. (2001). The environment: Opposing viewpoints. Greenhaven Press.

Chicago Style (17th ed.) Citation

Dudley, William. The Environment: Opposing Viewpoints. San Diego: Greenhaven Press, 2001.

MLA (9th ed.) Citation

Dudley, William. The Environment: Opposing Viewpoints. Greenhaven Press, 2001.