APA   Click to copy
Lehr, B., Schweser, F., Deistung, A., Güllmar, D., & Reichenbach, J. (2011). Der Medical Computation Server.

Chicago/Turabian   Click to copy
Lehr, Bw, Ferdinand Schweser, A. Deistung, D. Güllmar, and J. Reichenbach. “Der Medical Computation Server” (2011).

MLA   Click to copy
Lehr, Bw, et al. Der Medical Computation Server. 2011.

@article{bw2011a,
  title = {Der Medical Computation Server},
  year = {2011},
  author = {Lehr, Bw and Schweser, Ferdinand and Deistung, A. and Güllmar, D. and Reichenbach, J.}
}