Viljonen, D, Schwellnus, M. P., Noakes, T. D. & Coetzee, B. (1998). The effect of upper respiratory tract infection (URTI) on exercise performance in distance runners. Medicine & Science in Sports & Exercise, Indianapolis 30(1998)5, Suppl., S. S279..
APA (7th ed.) CitationViljonen, D., Schwellnus, M. P., Noakes, T. D., & Coetzee, B. (1998). The effect of upper respiratory tract infection (URTI) on exercise performance in distance runners Medicine & Science in Sports & Exercise.
Chicago Style (17th ed.) CitationViljonen, D., M. P. Schwellnus, T. D. Noakes, and B. Coetzee. "The Effect of Upper Respiratory Tract Infection (URTI) on Exercise Performance in Distance Runners." Medicine & Science in Sports & Exercise 1998.
MLA (9th ed.) CitationViljonen, D., et al. "The Effect of Upper Respiratory Tract Infection (URTI) on Exercise Performance in Distance Runners." Medicine & Science in Sports & Exercise, 1998.