Mullen, G. J. (2010). How to prevent shoulder pain. Swimming World Magazine, 51 (8), 30-31.
APA (7th ed.) CitationMullen, G. J. (2010). How to prevent shoulder pain. Swimming World Magazine, 51(8), 30-31.
Chicago Style (17th ed.) CitationMullen, G. J. "How to Prevent Shoulder Pain." Swimming World Magazine 51, no. 8 (2010): 30-31.
MLA (9th ed.) CitationMullen, G. J. "How to Prevent Shoulder Pain." Swimming World Magazine, vol. 51, no. 8, 2010, pp. 30-31.
Warning: These citations may not always be 100% accurate.