APA (7th ed.) Citation

Zielke, W. Die Zielke-Methode. Ulrich.

Chicago Style (17th ed.) Citation

Zielke, Wolfgang. Die Zielke-Methode. Deggendorf: Ulrich.

MLA (9th ed.) Citation

Zielke, Wolfgang. Die Zielke-Methode. Ulrich.

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