APA (7th ed.) Citation

Younger, P. L. (2007). Groundwater in the environment: An introduction. Blackwell Pub.

Chicago Style (17th ed.) Citation

Younger, Paul L. Groundwater in the Environment: An Introduction. Malden, MA: Blackwell Pub, 2007.

MLA (9th ed.) Citation

Younger, Paul L. Groundwater in the Environment: An Introduction. Blackwell Pub, 2007.