APA (7th ed.) Citation

Zimmermann, G. (1991). Berlin. Westermann.

Chicago Style (17th ed.) Citation

Zimmermann, Gisela. Berlin. Braunschweig: Westermann, 1991.

MLA (9th ed.) Citation

Zimmermann, Gisela. Berlin. Westermann, 1991.

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