Cita APA (7th ed.)
Shukla, S. K., & Srivastava, P. R. (1997). Encyclopaedia of environmental pollution: Industrial pollution and environmental issues. Commonwealth.
Cita Chicago (17th ed.)
Shukla, S. K., i P. R. Srivastava. Encyclopaedia of Environmental Pollution: Industrial Pollution and Environmental Issues. New Delhi: Commonwealth, 1997.
Cita MLA (9th ed.)
Shukla, S. K., i P. R. Srivastava. Encyclopaedia of Environmental Pollution: Industrial Pollution and Environmental Issues. Commonwealth, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.