APA (7th ed.) Citation

König, J. (2015). Sieben Mal "Warum?".

Chicago Style (17th ed.) Citation

König, Jochen. Sieben Mal "Warum?". 2015.

MLA (9th ed.) Citation

König, Jochen. Sieben Mal "Warum?". 2015.

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