Figueiredo, A. J., Goncalves, C. E., Coelho e Silva, M. J. & Malina, R. M. (2009). Characteristics of youth soccer players who drop out, persist or move up. Journal of Sports Sciences, 27 (9), 883-891. doi: 10.1080/02640410902946469
APA (7th ed.) CitationFigueiredo, A. J., Goncalves, C. E., Coelho e Silva, M. J., & Malina, R. M. (2009). Characteristics of youth soccer players who drop out, persist or move up. Journal of Sports Sciences, 27(9), 883-891.
Chicago Style (17th ed.) CitationFigueiredo, A. J., C. E. Goncalves, M. J. Coelho e Silva, and R. M. Malina. "Characteristics of Youth Soccer Players Who Drop Out, Persist or Move Up." Journal of Sports Sciences 27, no. 9 (2009): 883-891.
MLA (9th ed.) CitationFigueiredo, A. J., et al. "Characteristics of Youth Soccer Players Who Drop Out, Persist or Move Up." Journal of Sports Sciences, vol. 27, no. 9, 2009, pp. 883-891.