APA (7th ed.) Citation
Opitz, P. Constitutional and international problems of the German unification process.
Chicago Style (17th ed.) Citation
Opitz, P.J. Constitutional and International Problems of the German Unification Process.
MLA (9th ed.) Citation
Opitz, P.J. Constitutional and International Problems of the German Unification Process.
Warning: These citations may not always be 100% accurate.