Scofield, D. E. & Unruh, S. (2007, 19. April). Dietary supplement use among adolescent athletes in Central Nebraska and their sources of information. Zugriff unter https://pubmed.ncbi.nlm.nih.gov/16686580/
APA (7th ed.) CitationScofield, D. E., & Unruh, S. (2006). Dietary supplement use among adolescent athletes in Central Nebraska and their sources of information. The Journal of Strength and Conditioning Research, 20(2), 452-455.
Chicago Style (17th ed.) CitationScofield, D. E., and S. Unruh. "Dietary Supplement Use Among Adolescent Athletes in Central Nebraska and Their Sources of Information." The Journal of Strength and Conditioning Research 20, no. 2 (2006): 452-455.
MLA (9th ed.) CitationScofield, D. E., and S. Unruh. "Dietary Supplement Use Among Adolescent Athletes in Central Nebraska and Their Sources of Information." The Journal of Strength and Conditioning Research, vol. 20, no. 2, 2006, pp. 452-455.