APA (7th ed.) Citation

Halecki, O. (1970). Geschichte Polens. Societäts-Verl.

Chicago Style (17th ed.) Citation

Halecki, Oskar. Geschichte Polens. Frankfurt am Main: Societäts-Verl, 1970.

MLA (8th ed.) Citation

Halecki, Oskar. Geschichte Polens. Societäts-Verl, 1970.

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