APA (7th ed.) Citation

(1982). Nordrhein-Westfalen. Vincentz.

Chicago Style (17th ed.) Citation

Nordrhein-Westfalen. Hannover: Vincentz, 1982.

MLA (9th ed.) Citation

Nordrhein-Westfalen. Vincentz, 1982.

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