APA (7th ed.) Citation

Roepell, R. (1840). Geschichte Polens. Perthes.

Chicago Style (17th ed.) Citation

Roepell, Richard. Geschichte Polens. Hamburg: Perthes, 1840.

MLA (8th ed.) Citation

Roepell, Richard. Geschichte Polens. Perthes, 1840.

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