APA (7th ed.) Citation

Hackney, R. (1992). The challenge of élite training. British Journal of Sports Medicine, 26(4), 217.

Chicago Style (17th ed.) Citation

Hackney, R. "The Challenge of élite Training." British Journal of Sports Medicine 26, no. 4 (1992): 217.

MLA (9th ed.) Citation

Hackney, R. "The Challenge of élite Training." British Journal of Sports Medicine, vol. 26, no. 4, 1992, p. 217.