APA (7th ed.) Citation

Ahnhem, S., & Frey, K. (2017). Minus 18 Grad: Kriminalroman. Ullstein.

Chicago Style (17th ed.) Citation

Ahnhem, Stefan, and Katrin Frey. Minus 18 Grad: Kriminalroman. Berlin: Ullstein, 2017.

MLA (8th ed.) Citation

Ahnhem, Stefan, and Katrin Frey. Minus 18 Grad: Kriminalroman. Ullstein, 2017.

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