APA (7th ed.) Citation

(2006). Praesens-Textbibliothek: (PTB). Praesens-Verl.

Chicago Style (17th ed.) Citation

Praesens-Textbibliothek: (PTB). Wien: Praesens-Verl, 2006.

MLA (9th ed.) Citation

Praesens-Textbibliothek: (PTB). Praesens-Verl, 2006.

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