APA (7th ed.) Citation

Ward, R. C., & Robinson, M. (1990). Principles of hydrology (3rd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Ward, R. C., and M. Robinson. Principles of Hydrology. 3rd ed. London: McGraw-Hill, 1990.

MLA (9th ed.) Citation

Ward, R. C., and M. Robinson. Principles of Hydrology. 3rd ed. McGraw-Hill, 1990.

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