Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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