Cita APA (7a ed.)
Opitz, P. Constitutional and international problems of the German unification process.
Cita Chicago Style (17a ed.)
Opitz, P.J. Constitutional and International Problems of the German Unification Process.
Cita MLA (9a ed.)
Opitz, P.J. Constitutional and International Problems of the German Unification Process.
Precaución: Estas citas no son 100% exactas.