APA (7th ed.) Citation

Hepburn, C., Quah, J., & Ritz, R. (2006). Emissions trading and profit-neutral grandfathering. University of Oxford.

Chicago Style (17th ed.) Citation

Hepburn, C., J. Quah, and R. Ritz. Emissions Trading and Profit-neutral Grandfathering. University of Oxford, 2006.

MLA (9th ed.) Citation

Hepburn, C., et al. Emissions Trading and Profit-neutral Grandfathering. University of Oxford, 2006.