Cita APA (7a ed.)
Welfens, P. International effects of German unification.
Cita Chicago Style (17a ed.)
Welfens, P.J. International Effects of German Unification.
Cita MLA (9a ed.)
Welfens, P.J. International Effects of German Unification.
Precaución: Estas citas no son 100% exactas.