Böhme, M., Gregor, H., & Heissig, K. (2002). The Ries and Steinheim Meteorite Impacts and their effect on environmental conditions in time and space.
Chicago-Zitierstil (17. Ausg.)Böhme, Madelaine, Hans-Joachim Gregor, und Kurt Heissig. The Ries and Steinheim Meteorite Impacts and Their Effect on Environmental Conditions in Time and Space. 2002.
MLA-Zitierstil (9. Ausg.)Böhme, Madelaine, et al. The Ries and Steinheim Meteorite Impacts and Their Effect on Environmental Conditions in Time and Space. 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.