APA (7th ed.) Citation

Halvorsen, R., & Ruby, M. G. (1981). Benefit-cost analysis of air-pollution control. Lexington Books.

Chicago Style (17th ed.) Citation

Halvorsen, Robert, and Michael G. Ruby. Benefit-cost Analysis of Air-pollution Control. Lexington, Mass.: Lexington Books, 1981.

MLA (9th ed.) Citation

Halvorsen, Robert, and Michael G. Ruby. Benefit-cost Analysis of Air-pollution Control. Lexington Books, 1981.