APA (7th ed.) Citation

(2004). 12 Schlüssel zur Gelassenheit: Ein Hörbuch. Nexus Audiobooks.

Chicago Style (17th ed.) Citation

12 Schlüssel Zur Gelassenheit: Ein Hörbuch. Frankfurt am Main: Nexus Audiobooks, 2004.

MLA (9th ed.) Citation

12 Schlüssel Zur Gelassenheit: Ein Hörbuch. Nexus Audiobooks, 2004.

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