APA (7th ed.) Citation

Krenz, J. H. (1980). Energy, from opulence to sufficiency. Praeger.

Chicago Style (17th ed.) Citation

Krenz, Jerrold H. Energy, from Opulence to Sufficiency. New York: Praeger, 1980.

MLA (9th ed.) Citation

Krenz, Jerrold H. Energy, from Opulence to Sufficiency. Praeger, 1980.