Todd, D. K. (1959). Ground Water Hydrology (4a impr.). Wiley.
Cita Chicago Style (17a ed.)Todd, David Keith. Ground Water Hydrology. 4a impr. New York: Wiley, 1959.
Cita MLA (9a ed.)Todd, David Keith. Ground Water Hydrology. 4a impr. Wiley, 1959.
Precaución: Estas citas no son 100% exactas.