APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Elkington, John. Sun Traps: The Renewable Energy Forecast. Harmondsworth, Middlesex, England ; New York, N.Y.: Penguin Books, 1984.

MLA (9th ed.) Citation

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