Pen, L. J., Barrett, R. S., Neal, R. J. & Steele, J. R. (2001, 10. December). An injury profile of elite ironman competitors. Zugriff unter http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=8742860&dopt=Abstract
APA (7th ed.) CitationPen, L. J., Barrett, R. S., Neal, R. J., & Steele, J. R. (1996). An injury profile of elite ironman competitors.
Chicago Style (17th ed.) CitationPen, L. J., R. S. Barrett, R. J. Neal, and J. R. Steele. An Injury Profile of Elite Ironman Competitors. 1996.
MLA (9th ed.) CitationPen, L. J., et al. An Injury Profile of Elite Ironman Competitors. 1996.
Warning: These citations may not always be 100% accurate.