Citazione Stile APA (7a Edizione)

Ward, R. C., & Robinson, M. (2000). Principles of hydrology (4th ed.). Mcgraw-Hill.

Citazione stile Chigago Style (17a edizione)

Ward, Roy C., e Mark Robinson. Principles of Hydrology. 4th ed. London: Mcgraw-Hill, 2000.

Citatione MLA (9a ed.)

Ward, Roy C., e Mark Robinson. Principles of Hydrology. 4th ed. Mcgraw-Hill, 2000.