(2009). Energy-conscious swimming. Swimming World Magazine, 50 (2), 20-21.
APA (7th ed.) Citation(2009). Energy-conscious swimming. Swimming World Magazine, 50(2), 20-21.
Chicago Style (17th ed.) Citation"Energy-conscious Swimming." Swimming World Magazine 50, no. 2 (2009): 20-21.
MLA (9th ed.) Citation"Energy-conscious Swimming." Swimming World Magazine, vol. 50, no. 2, 2009, pp. 20-21.
Warning: These citations may not always be 100% accurate.