APA (7th ed.) Citation

AH, E., AM, P., I, H., L, E., & R, B. (2008). Self-reported psychological characteristics as risk factors for injuries among male football players. British Journal of Sports Medicine, 42(6), 493.

Chicago Style (17th ed.) Citation

AH, Engebretsen, Pensgaard AM, Holme I, Engebretsen L, and Bahr R. "Self-reported Psychological Characteristics as Risk Factors for Injuries Among Male Football Players." British Journal of Sports Medicine 42, no. 6 (2008): 493.

MLA (9th ed.) Citation

AH, Engebretsen, et al. "Self-reported Psychological Characteristics as Risk Factors for Injuries Among Male Football Players." British Journal of Sports Medicine, vol. 42, no. 6, 2008, p. 493.

Warning: These citations may not always be 100% accurate.