APA (7th ed.) Citation

Ingenieurgeologische Karte: [Nordrhein-Westfalen].

Chicago Style (17th ed.) Citation

Ingenieurgeologische Karte: [Nordrhein-Westfalen]. Krefeld.

MLA (9th ed.) Citation

Ingenieurgeologische Karte: [Nordrhein-Westfalen].

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