Koivula, N., Hassmén, P., & Fallby, J. (2002). Self-esteem and perfectionism in elite athletes: Effects on competitive anxiety and self-confidence. Personality & Individual Differences, 32(5), 865. https://doi.org/10.1016/S0191-8869(01)00092-7
Chicago Style (17th ed.) CitationKoivula, Nathalie, Peter Hassmén, and Johan Fallby. "Self-esteem and Perfectionism in Elite Athletes: Effects on Competitive Anxiety and Self-confidence." Personality & Individual Differences 32, no. 5 (2002): 865. https://doi.org/10.1016/S0191-8869(01)00092-7.
MLA (9th ed.) CitationKoivula, Nathalie, et al. "Self-esteem and Perfectionism in Elite Athletes: Effects on Competitive Anxiety and Self-confidence." Personality & Individual Differences, vol. 32, no. 5, 2002, p. 865, https://doi.org/10.1016/S0191-8869(01)00092-7.