APA (7th ed.) Citation

Jones, K., & Smith, C. (1990). Boxing the champions (Revised and updated edition.). Crowood Press.

Chicago Style (17th ed.) Citation

Jones, Ken, and Chris Smith. Boxing the Champions. Revised and updated edition. Swindon, Wiltshire: Crowood Press, 1990.

MLA (9th ed.) Citation

Jones, Ken, and Chris Smith. Boxing the Champions. Revised and updated edition. Crowood Press, 1990.