Rushall, B. S. (1999, 28. October). Butterfly Stroke Teaching Aid #1. Zugriff unter https://coachsci.sdsu.edu/swim/champion/bflycomp.htm
APA (7th ed.) CitationRushall, B. S. (1999). Butterfly Stroke Teaching Aid #1.
Chicago Style (17th ed.) CitationRushall, B. S. Butterfly Stroke Teaching Aid #1. 1999.
MLA (9th ed.) CitationRushall, B. S. Butterfly Stroke Teaching Aid #1. 1999.
Warning: These citations may not always be 100% accurate.