APA (7th ed.) Citation

Böning, F. (2004). Grenzenlos - Erdkunde (Hauptschule, Nordrhein-Westfalen, Dr. A 1.). Schroedel.

Chicago Style (17th ed.) Citation

Böning, Frank. Grenzenlos - Erdkunde. Hauptschule, Nordrhein-Westfalen, Dr. A 1. Braunschweig: Schroedel, 2004.

MLA (9th ed.) Citation

Böning, Frank. Grenzenlos - Erdkunde. Hauptschule, Nordrhein-Westfalen, Dr. A 1. Schroedel, 2004.

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