Mills, G & Hummel, B. (2005). Freestyle: Timing the kick. Swimming World Magazine, 47 (1), 20-21.
APA (7th ed.) CitationMills, G., & Hummel, B. (2005). Freestyle: Timing the kick. Swimming World Magazine, 47(1), 20-21.
Chicago Style (17th ed.) CitationMills, G., and B. Hummel. "Freestyle: Timing the Kick." Swimming World Magazine 47, no. 1 (2005): 20-21.
MLA (9th ed.) CitationMills, G., and B. Hummel. "Freestyle: Timing the Kick." Swimming World Magazine, vol. 47, no. 1, 2005, pp. 20-21.
Warning: These citations may not always be 100% accurate.