APA (7th ed.) Citation

WardlhR.C & Robinson. Principles of hydrology.

Chicago Style (17th ed.) Citation

WardlhR.C and Robinson. Principles of Hydrology. LondonlbMcGraw-Hilllc2000.

MLA (9th ed.) Citation

WardlhR.C and Robinson. Principles of Hydrology.

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