APA (7th ed.) Citation

Weller, B. U., & Weller, B. U. (1987). Schlüssel zur Politik. Econ Verl.

Chicago Style (17th ed.) Citation

Weller, Björn Uwe, and B. Uwe Weller. Schlüssel Zur Politik. Düsseldorf [u.a.]: Econ Verl, 1987.

MLA (8th ed.) Citation

Weller, Björn Uwe, and B. Uwe Weller. Schlüssel Zur Politik. Econ Verl, 1987.