APA (7th ed.) Citation

(1974). Kreis Düsseldorf-Mettman. Bühn.

Chicago Style (17th ed.) Citation

Kreis Düsseldorf-Mettman. München: Bühn, 1974.

MLA (9th ed.) Citation

Kreis Düsseldorf-Mettman. Bühn, 1974.

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