APA Style

Delius, C, N. (2015). Proceedings of the 12th International Symposium Continuous Surface Mining - Aachen 2014 . Aachen, Germany: Springer International Publishing.

MLA Style

Delius, Christian, Niemann. "Proceedings of the 12th International Symposium Continuous Surface Mining - Aachen 2014". Aachen, Germany: Springer International Publishing, 2015. Text.