APA (7th ed.) Citation

Stern, J., Stoppard, M., Bergmann, B., Bros, T., & Pirani, S. (2008). Gas as a transitional fuel. Oxford Institute for Energy Studies.

Chicago Style (17th ed.) Citation

Stern, J., M. Stoppard, B. Bergmann, T. Bros, and S. Pirani. Gas as a Transitional Fuel. Oxford Institute for Energy Studies, 2008.

MLA (9th ed.) Citation

Stern, J., et al. Gas as a Transitional Fuel. Oxford Institute for Energy Studies, 2008.