APA (7th ed.) Citation

(2013). Stephan Balkenhol. WDR [u.a.].

Chicago Style (17th ed.) Citation

Stephan Balkenhol. [Köln]: WDR [u.a.], 2013.

MLA (9th ed.) Citation

Stephan Balkenhol. WDR [u.a.], 2013.

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