APA (7th ed.) Citation

Then, V., Hölz, M., & Mildenberger, G. (2012). . Projektberichte / CSI.

Chicago Style (17th ed.) Citation

Then, Volker, Martin Hölz, and Georg Mildenberger. "." Projektberichte / CSI 2012.

MLA (9th ed.) Citation

Then, Volker, et al. "." Projektberichte / CSI, 2012.