APA (7th ed.) Citation

Lovins, A. B., & Nash, H. (1979). The Energy controversy: Soft path questions & answers. Friends of the Earth.

Chicago Style (17th ed.) Citation

Lovins, Amory B., and Hugh Nash. The Energy Controversy: Soft Path Questions & Answers. San Francisco: Friends of the Earth, 1979.

MLA (8th ed.) Citation

Lovins, Amory B., and Hugh Nash. The Energy Controversy: Soft Path Questions & Answers. Friends of the Earth, 1979.