APA-Zitierstil (7. Ausg.)

Knoepfel, H. (1986). Energy 2000: An overview of the world's energy resources in the decades to come. Gordon and Breach Science Publishers.

Chicago-Zitierstil (17. Ausg.)

Knoepfel, Heinz. Energy 2000: An Overview of the World's Energy Resources in the Decades to Come. New York [etc.]: Gordon and Breach Science Publishers, 1986.

MLA-Zitierstil (9. Ausg.)

Knoepfel, Heinz. Energy 2000: An Overview of the World's Energy Resources in the Decades to Come. Gordon and Breach Science Publishers, 1986.