APA (7th ed.) Citation

Walton, W. C. (1965). Ground-water recharge and runoff in Illinois. [publisher not identified].

Chicago Style (17th ed.) Citation

Walton, William Clarence. Ground-water Recharge and Runoff in Illinois. [Urbana]: [publisher not identified], 1965.

MLA (9th ed.) Citation

Walton, William Clarence. Ground-water Recharge and Runoff in Illinois. [publisher not identified], 1965.