APA (7th ed.) Citation

Gray, W. B., & Shadbegian, R. J. (2002). 'Optimal' pollution abatement - whose benefits matter, and how much? National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Gray, Wayne B., and Ronald John Shadbegian. 'Optimal' Pollution Abatement - Whose Benefits Matter, and How Much? Cambridge, Mass: National Bureau of Economic Research, 2002.

MLA (9th ed.) Citation

Gray, Wayne B., and Ronald John Shadbegian. 'Optimal' Pollution Abatement - Whose Benefits Matter, and How Much? National Bureau of Economic Research, 2002.

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