APA (7th ed.) Citation

Elkington, J. (1984). Sun traps: The renewable energy forecast. Penguin.

Chicago Style (17th ed.) Citation

Elkington, John. Sun Traps: The Renewable Energy Forecast. Harmondsworth: Penguin, 1984.

MLA (9th ed.) Citation

Elkington, John. Sun Traps: The Renewable Energy Forecast. Penguin, 1984.