APA (7th ed.) Citation

Gehrke, A. (2013). Der Spiegel. Drittel Books.

Chicago Style (17th ed.) Citation

Gehrke, Andreas. Der Spiegel. Berlin: Drittel Books, 2013.

MLA (8th ed.) Citation

Gehrke, Andreas. Der Spiegel. Drittel Books, 2013.

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