Cita APA (7a ed.)

Appleby, M., & Hoffmann, R. (2006). Diercke - Geography (For bilingual classes.). Westermann.

Cita Chicago Style (17a ed.)

Appleby, Matthew, y Reinhard Hoffmann. Diercke - Geography. For bilingual classes. Braunschweig: Westermann, 2006.

Cita MLA (9a ed.)

Appleby, Matthew, y Reinhard Hoffmann. Diercke - Geography. For bilingual classes. Westermann, 2006.