APA Style

Ward, R.C., Robinson, M.. (1989). Principles Of Hydrology (3rd ed). London: MCGRAW-HILL.

Chicago Style

Ward, R.C., Robinson, M.. Principles Of Hydrology. 3rd ed London: MCGRAW-HILL, 1989. .

MLA Style

Ward, R.C., Robinson, M.. Principles Of Hydrology. 3rd ed London: MCGRAW-HILL, 1989. .

Turabian Style

Ward, R.C., Robinson, M.. Principles Of Hydrology. 3rd ed London: MCGRAW-HILL, 1989. .