APA (7th ed.) Citation

(2001). Damals in ... Aachen, Burtscheid, Forst. Helios.

Chicago Style (17th ed.) Citation

Damals in ... Aachen, Burtscheid, Forst. Aachen: Helios, 2001.

MLA (9th ed.) Citation

Damals in ... Aachen, Burtscheid, Forst. Helios, 2001.

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