Andrew, M., Barraclough, S., Dugdale, J. H., Reeves, M. J., Triggs, A. O., & Kelly, A. L. Relative age effect at Concacaf championships: Influence of sex, age, nationality, playing position, and playing status. Public Library of Science (PLoS).
Chicago Style (17th ed.) CitationAndrew, Matthew, Sam Barraclough, James H. Dugdale, Matthew J. Reeves, Andrew O. Triggs, and Adam L. Kelly. Relative Age Effect at Concacaf Championships: Influence of Sex, Age, Nationality, Playing Position, and Playing Status. Public Library of Science (PLoS).
MLA (9th ed.) CitationAndrew, Matthew, et al. Relative Age Effect at Concacaf Championships: Influence of Sex, Age, Nationality, Playing Position, and Playing Status. Public Library of Science (PLoS).
Warning: These citations may not always be 100% accurate.