Cita APA (7a ed.)
Shukla, S. K., & Srivastava, P. R. (1997). Encyclopaedia of environmental Pollution: Environmental water pollution. Commonwealth.
Cita Chicago Style (17a ed.)
Shukla, S. K., y P. R. Srivastava. Encyclopaedia of Environmental Pollution: Environmental Water Pollution. New Delhi: Commonwealth, 1997.
Cita MLA (9a ed.)
Shukla, S. K., y P. R. Srivastava. Encyclopaedia of Environmental Pollution: Environmental Water Pollution. Commonwealth, 1997.
Precaución: Estas citas no son 100% exactas.