MLA

Baum, Ido, et al. Professional Testimonial Privileges. Gabler, 2009.

APA

Baum, I., Eppelbaum, L. V, Eppelbaum, L., Schäfer, H., & Schäfer, P. Hans Bernd. (2009). Professional Testimonial Privileges. Gabler.

Chicago

Baum, Ido, Lev V Eppelbaum, Lev Eppelbaum, Hans-Bernd Schäfer, and Prof. Hans Bernd Schäfer. Professional Testimonial Privileges. : Gabler, 2009.