APA (7th ed.) Citation

Walther, S. (2009). Spuren der Eiszeit.

Chicago Style (17th ed.) Citation

Walther, Siegfried. Spuren Der Eiszeit. 2009.

MLA (9th ed.) Citation

Walther, Siegfried. Spuren Der Eiszeit. 2009.

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