Cita APA (7th ed.)

National Academy of Engineering. Program Office & Helm, J. L. (1990). Energy: Production, consumption, and consequences. National Academy Press.

Cita Chicago (17th ed.)

National Academy of Engineering. Program Office i John L. Helm. Energy: Production, Consumption, and Consequences. Washington, D.C.: National Academy Press, 1990.

Cita MLA (9th ed.)

National Academy of Engineering. Program Office i John L. Helm. Energy: Production, Consumption, and Consequences. National Academy Press, 1990.