APA Citation

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

Chicago Style Citation

Younger, Paul L., and Paul L. Younger. Groundwater in the Environment: An Introduction. Malden, Mass: Blackwell, 2007.

MLA Citation

Younger, Paul L., and Paul L. Younger. Groundwater in the Environment: An Introduction. Malden, Mass: Blackwell, 2007.

Warning: These citations may not always be 100% accurate.