Cita APA (7a ed.)

Erzner, F. (2010). Around the World - Geographie (New edition.). Cornelsen.

Cita Chicago Style (17a ed.)

Erzner, Frank. Around the World - Geographie. New edition. Berlin: Cornelsen, 2010.

Cita MLA (9a ed.)

Erzner, Frank. Around the World - Geographie. New edition. Cornelsen, 2010.