MLA

Perneczky, Axel, et al. Keyhole Approaches In Neurosurgery. Springer Vienna, 2008.

APA

Perneczky, A., Reisch, R., & Tschabitscher, M., Kanno, T., Kindel, S., & Tschabitscher, M. (2008). Keyhole Approaches in Neurosurgery. Springer Vienna.

Chicago

Perneczky, Axel, Robert Reisch, Manfred Tschabitscher, T Kanno, Stefan Kindel, and M Tschabitscher. Keyhole Approaches In Neurosurgery. : Springer Vienna, 2008.