Armstead, H. C. H. (1978). Geothermal energy : its past, present, and future contributions to the energy needs of man / H. Christopher H. Armstead: Its past, present, and future contributions to the energy needs of man. Wiley ;.
Chicago Style (17th ed.) CitationArmstead, H. Christopher H. Geothermal Energy : Its Past, Present, and Future Contributions to the Energy Needs of Man / H. Christopher H. Armstead: Its Past, Present, and Future Contributions to the Energy Needs of Man. New York ; London: Wiley ;, 1978.
MLA (9th ed.) CitationArmstead, H. Christopher H. Geothermal Energy : Its Past, Present, and Future Contributions to the Energy Needs of Man / H. Christopher H. Armstead: Its Past, Present, and Future Contributions to the Energy Needs of Man. Wiley ;, 1978.