APA (7th ed.) Citation

(2009). Nordrhein-Westfalen-Jahrbuch. Saur.

Chicago Style (17th ed.) Citation

Nordrhein-Westfalen-Jahrbuch. München: Saur, 2009.

MLA (8th ed.) Citation

Nordrhein-Westfalen-Jahrbuch. Saur, 2009.

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