APA (7th ed.) Citation

Barker, T., Ekins, P., & Jonstone, N. (1995). Global warming and energy demand. Routledge.

Chicago Style (17th ed.) Citation

Barker, Terry, Paul Ekins, and Nick Jonstone. Global Warming and Energy Demand. London: Routledge, 1995.

MLA (9th ed.) Citation

Barker, Terry, et al. Global Warming and Energy Demand. Routledge, 1995.