APA (7th ed.) Citation

Brownlee, A., & Craig, D. (2021). Relentless : secrets of the sporting elite / Alistair Brownlee ; written with Duncan Craig: Secrets of the sporting elite. HarperCollinsPublishers.

Chicago Style (17th ed.) Citation

Brownlee, Alistair, and Duncan Craig. Relentless : Secrets of the Sporting Elite / Alistair Brownlee ; Written with Duncan Craig: Secrets of the Sporting Elite. London: HarperCollinsPublishers, 2021.

MLA (9th ed.) Citation

Brownlee, Alistair, and Duncan Craig. Relentless : Secrets of the Sporting Elite / Alistair Brownlee ; Written with Duncan Craig: Secrets of the Sporting Elite. HarperCollinsPublishers, 2021.

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