Luebbers, M. (2000, 07. April). about.com swimming. Zugriff unter http://swimming.about.com/sports/swimming/
APA (7th ed.) CitationLuebbers, M. about.com swimming.
Chicago Style (17th ed.) CitationLuebbers, M. About.com Swimming.
MLA (9th ed.) CitationLuebbers, M. About.com Swimming.
Warning: These citations may not always be 100% accurate.