APA (7th ed.) Citation

Johnstone, D., & Cross, W. P. (1949). Elements of applied hydrology. Ronald Press Co..

Chicago Style (17th ed.) Citation

Johnstone, Don, and William P. Cross. Elements of Applied Hydrology. New York: Ronald Press Co., 1949.

MLA (8th ed.) Citation

Johnstone, Don, and William P. Cross. Elements of Applied Hydrology. Ronald Press Co., 1949.