Cita APA (7a ed.)

Kirch, P. (2013). TOP - Erdkunde (Dr. A.). Westermann.

Cita Chicago Style (17a ed.)

Kirch, Peter. TOP - Erdkunde. Dr. A. Braunschweig: Westermann, 2013.

Cita MLA (9a ed.)

Kirch, Peter. TOP - Erdkunde. Dr. A. Westermann, 2013.