APA (7th ed.) Citation

Illinois. Pollution Control Board. (1978). Air pollution control regulations. State of Illinois.

Chicago Style (17th ed.) Citation

Illinois. Pollution Control Board. Air Pollution Control Regulations. [Springfield, Ill.]: State of Illinois, 1978.

MLA (8th ed.) Citation

Illinois. Pollution Control Board. Air Pollution Control Regulations. State of Illinois, 1978.

Warning: These citations may not always be 100% accurate.