APA (7th ed.) Citation

Zijl, W., & Nawalany, M. (1993). Natural groundwater flow. Lewis Publishers.

Chicago Style (17th ed.) Citation

Zijl, Wouter, and Marek Nawalany. Natural Groundwater Flow. Boca Raton: Lewis Publishers, 1993.

MLA (8th ed.) Citation

Zijl, Wouter, and Marek Nawalany. Natural Groundwater Flow. Lewis Publishers, 1993.

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