Colwin, C. (1996). The purpose of stroke drills. Swimming World and Junior Swimmer, 37 (1), 6-11.
APA (7th ed.) CitationColwin, C. (1996). The purpose of stroke drills Swimming World and Junior Swimmer, 37(1), 6-11.
Chicago Style (17th ed.) CitationColwin, C. "The Purpose of Stroke Drills." Swimming World and Junior Swimmer 37, no. 1 (1996): 6-11.
MLA (9th ed.) CitationColwin, C. "The Purpose of Stroke Drills." Swimming World and Junior Swimmer, vol. 37, no. 1, 1996, pp. 6-11.
Warning: These citations may not always be 100% accurate.