RJ, H., K, G., M, B., & CS, H. (2026). The ToughPerson Index: Conceptualizing and operationalizing mental toughness in sport as a social-cognitive personality construct. Psychology of sport and exercise, 85, 103133. https://doi.org/10.1016/j.psychsport.2026.103133
Chicago Style (17th ed.) CitationRJ, Harmison, Green K, Best M, and Hulleman CS. "The ToughPerson Index: Conceptualizing and Operationalizing Mental Toughness in Sport as a Social-cognitive Personality Construct." Psychology of Sport and Exercise 85 (2026): 103133. https://doi.org/10.1016/j.psychsport.2026.103133.
MLA (9th ed.) CitationRJ, Harmison, et al. "The ToughPerson Index: Conceptualizing and Operationalizing Mental Toughness in Sport as a Social-cognitive Personality Construct." Psychology of Sport and Exercise, vol. 85, 2026, p. 103133, https://doi.org/10.1016/j.psychsport.2026.103133.