Weston, M, Helsen, W & De Clerck, R. (2004). Heart rate responses of referees and assistant referees during FIFA 2002 World Cup matches Journal of Sports Sciences, 22 (3), 261.
APA (7th ed.) CitationWeston, M., Helsen, W., & De Clerck, R. (2004). Heart rate responses of referees and assistant referees during FIFA 2002 World Cup matches. Journal of Sports Sciences, 22(3), 261.
Chicago Style (17th ed.) CitationWeston, M., W. Helsen, and R. De Clerck. "Heart Rate Responses of Referees and Assistant Referees During FIFA 2002 World Cup Matches." Journal of Sports Sciences 22, no. 3 (2004): 261.
MLA (9th ed.) CitationWeston, M., et al. "Heart Rate Responses of Referees and Assistant Referees During FIFA 2002 World Cup Matches." Journal of Sports Sciences, vol. 22, no. 3, 2004, p. 261.