Citazione Stile APA (7a Edizione)

Hundertmark, V., & Hoffmann, R. (2015). Diercke - Geography (For bilingual classes, Druck A.). Westermann.

Citazione stile Chigago Style (17a edizione)

Hundertmark, Verena, e Reinhard Hoffmann. Diercke - Geography. For bilingual classes, Druck A. Braunschweig: Westermann, 2015.

Citatione MLA (9a ed.)

Hundertmark, Verena, e Reinhard Hoffmann. Diercke - Geography. For bilingual classes, Druck A. Westermann, 2015.