APA (7th ed.) Citation

Pospischil, G. (2009). Wunderbare Herausforderung. NTI.

Chicago Style (17th ed.) Citation

Pospischil, Gerd. "Wunderbare Herausforderung." NTI 2009.

MLA (8th ed.) Citation

Pospischil, Gerd. "Wunderbare Herausforderung." NTI, 2009.

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