DVS Edition Citation

Phelps, M. (2003). One-arm butterfly drill. Swimming Technique, El Segundo 39(2003)4, S. 13-15..

APA (7th ed.) Citation

Phelps, M. (2003). One-arm butterfly drill Swimming Technique.

Chicago Style (17th ed.) Citation

Phelps, M. "One-arm Butterfly Drill." Swimming Technique 2003.

MLA (9th ed.) Citation

Phelps, M. "One-arm Butterfly Drill." Swimming Technique, 2003.