Cita APA (7a ed.)

Hepburn, C., Grubb, M., Neuhoff, K., Matthes, F., & Tse, M. (2006). Auctioning of EU ETS Phase II Allowances: How and Why?

Cita Chicago Style (17a ed.)

Hepburn, C., M. Grubb, K. Neuhoff, F. Matthes, y M. Tse. Auctioning of EU ETS Phase II Allowances: How and Why? 2006.

Cita MLA (9a ed.)

Hepburn, C., et al. Auctioning of EU ETS Phase II Allowances: How and Why? 2006.