DVS Edition Citation

Horwill, F. (2001, 12. June). Peak performance. Zugriff unter http://www.pponline.co.uk/encyc/0270.htm

APA (7th ed.) Citation

Horwill, F. Peak performance.

Chicago Style (17th ed.) Citation

Horwill, F. Peak Performance.

MLA (9th ed.) Citation

Horwill, F. Peak Performance.

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