APA (7th ed.) Citation

(2010). Ruhr. Verlagshaus Würzburg GmbH.

Chicago Style (17th ed.) Citation

Ruhr. Würzburg: Verlagshaus Würzburg GmbH, 2010.

MLA (9th ed.) Citation

Ruhr. Verlagshaus Würzburg GmbH, 2010.

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