APA (7th ed.) Citation

Geo Center (Firm). Geo-Katalog. Geo Center Internationales Landkartenhaus.

Chicago Style (17th ed.) Citation

Geo Center (Firm). Geo-Katalog. Stuttgart: Geo Center Internationales Landkartenhaus.

MLA (9th ed.) Citation

Geo Center (Firm). Geo-Katalog. Geo Center Internationales Landkartenhaus.

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