APA (7th ed.) Citation

Koll-Schretzenmayr, M., Keiner, M., & Nussbaumer, G. (2004). The Real and Virtual Worlds of Spatial Planning. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Koll-Schretzenmayr, Martina, Marco Keiner, and Gustav Nussbaumer. The Real and Virtual Worlds of Spatial Planning. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004.

MLA (9th ed.) Citation

Koll-Schretzenmayr, Martina, et al. The Real and Virtual Worlds of Spatial Planning. Springer Berlin Heidelberg, 2004.