Hatfield, F. C. (1999, 01. April). A new weights machine with dynamically adjustable resistance. Zugriff unter http://sportsci.org/jour/9901/fch.html
APA (7th ed.) CitationHatfield, F. C. (1999). A new weights machine with dynamically adjustable resistance. Sportscience.
Chicago Style (17th ed.) CitationHatfield, F. C. "A New Weights Machine with Dynamically Adjustable Resistance." Sportscience 1999.
MLA (9th ed.) CitationHatfield, F. C. "A New Weights Machine with Dynamically Adjustable Resistance." Sportscience, 1999.
Warning: These citations may not always be 100% accurate.