APA (7th ed.) Citation

Böhme, M., Gregor, H., & Heissig, K. (2002). The Ries and Steinheim Meteorite Impacts and their effect on environmental conditions in time and space.

Chicago Style (17th ed.) Citation

Böhme, Madelaine, Hans-Joachim Gregor, and Kurt Heissig. The Ries and Steinheim Meteorite Impacts and Their Effect on Environmental Conditions in Time and Space. 2002.

MLA (9th ed.) Citation

Böhme, Madelaine, et al. The Ries and Steinheim Meteorite Impacts and Their Effect on Environmental Conditions in Time and Space. 2002.