APA (7th ed.) Citation

Bednarz, K., & Hirth, P. (1989). Polen. Bucher.

Chicago Style (17th ed.) Citation

Bednarz, Klaus, and Peter Hirth. Polen. München u.a: Bucher, 1989.

MLA (9th ed.) Citation

Bednarz, Klaus, and Peter Hirth. Polen. Bucher, 1989.

Warning: These citations may not always be 100% accurate.