Symposium on Geothermal Energy and Colorado (1973, Denver, Colo.). (1974). Proceedings of a Symposium on Geothermal Energy and Colorado. Colorado Geological Survey.
Chicago-Zitierstil (17. Ausg.)Symposium on Geothermal Energy and Colorado (1973, Denver, Colo.). Proceedings of a Symposium on Geothermal Energy and Colorado. Denver, Colo: Colorado Geological Survey, 1974.
MLA-Zitierstil (9. Ausg.)Symposium on Geothermal Energy and Colorado (1973, Denver, Colo.). Proceedings of a Symposium on Geothermal Energy and Colorado. Colorado Geological Survey, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.