APA (7th ed.) Citation

Walton, W. C. (1991). Principles of groundwater engineering. Lewis Publishers.

Chicago Style (17th ed.) Citation

Walton, William Clarence. Principles of Groundwater Engineering. Chelsea, Mich.: Lewis Publishers, 1991.

MLA (9th ed.) Citation

Walton, William Clarence. Principles of Groundwater Engineering. Lewis Publishers, 1991.

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