Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

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