APA Style

Psenner, R., Lackner, R. (2007). The Water Balance of the Alps – What do we need to protect the water resources of the Alps? Proceedings of the Conference held at Innsbruck University, 28-29 September 2006 . : .

MLA Style

Psenner, Roland., Lackner, Reinhard. "The Water Balance of the Alps – What do we need to protect the water resources of the Alps? Proceedings of the Conference held at Innsbruck University, 28-29 September 2006". : , 2007. Text.