APA (7th ed.) Citation

Sawyer, S. W. (1986). Renewable energy: Progress, prospects. Association of American Geographers.

Chicago Style (17th ed.) Citation

Sawyer, Stephen W. Renewable Energy: Progress, Prospects. Washington, D.C.: Association of American Geographers, 1986.

MLA (9th ed.) Citation

Sawyer, Stephen W. Renewable Energy: Progress, Prospects. Association of American Geographers, 1986.