APA (7th ed.) Citation

(1840). Geschichte Polens: Von Richard Roepell. Perthes.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

Geschichte Polens: Von Richard Roepell. Perthes, 1840.

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