APA (7th ed.) Citation

Bennett, G., Newman, P., & Polydor, A. (2015). Letter of reply. Oxford Institute for Energy Studies.

Chicago Style (17th ed.) Citation

Bennett, G., P. Newman, and A. Polydor. Letter of Reply. Oxford Institute for Energy Studies, 2015.

MLA (9th ed.) Citation

Bennett, G., et al. Letter of Reply. Oxford Institute for Energy Studies, 2015.