Cita APA (7th ed.)

TODD, D. K. (1980). Groundwater hydrology.-- ed.2. John Wiley and Sons.

Cita Chicago (17th ed.)

TODD, David Keith. Groundwater Hydrology.-- Ed.2. New York: John Wiley and Sons, 1980.

Cita MLA (9th ed.)

TODD, David Keith. Groundwater Hydrology.-- Ed.2. John Wiley and Sons, 1980.