APA (7th ed.) Citation

Hemdal, J. F. (1979). The energy center: New alternative for effective energy use. Ann Arbor Science Publishers.

Chicago Style (17th ed.) Citation

Hemdal, John F. The Energy Center: New Alternative for Effective Energy Use. Ann Arbor, Mich.: Ann Arbor Science Publishers, 1979.

MLA (9th ed.) Citation

Hemdal, John F. The Energy Center: New Alternative for Effective Energy Use. Ann Arbor Science Publishers, 1979.