APA (7th ed.) Citation

Leh, F. K. V., & Lak, R. K. C. (1974). Environment and pollutions: Sources, health effects, monitoring, and control. Thomas.

Chicago Style (17th ed.) Citation

Leh, Francis K. V., and Richard K. C. Lak. Environment and Pollutions: Sources, Health Effects, Monitoring, and Control. Springfield, Ill: Thomas, 1974.

MLA (9th ed.) Citation

Leh, Francis K. V., and Richard K. C. Lak. Environment and Pollutions: Sources, Health Effects, Monitoring, and Control. Thomas, 1974.