APA (7th ed.) Citation

Halecki, O. (1963). Geschichte Polens. Scheffleer.

Chicago Style (17th ed.) Citation

Halecki, Oskar. Geschichte Polens. Frankfurt am Main: Scheffleer, 1963.

MLA (9th ed.) Citation

Halecki, Oskar. Geschichte Polens. Scheffleer, 1963.

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