APA (7th ed.) Citation

Sommer, E., & Haacker, C. Die Templer: Roman.

Chicago Style (17th ed.) Citation

Sommer, Ernst, and Christoph Haacker. Die Templer: Roman.

MLA (9th ed.) Citation

Sommer, Ernst, and Christoph Haacker. Die Templer: Roman.

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