Cita APA (7th ed.)

Wolter, H. (1989). Otto von Bismarck. Philipp Reclam jun..

Cita Chicago (17th ed.)

Wolter, Heinz. Otto Von Bismarck. Leipzig: Philipp Reclam jun., 1989.

Cita MLA (8th ed.)

Wolter, Heinz. Otto Von Bismarck. Philipp Reclam jun., 1989.