APA (7th ed.) Citation

Els, E. (1995). How to build a classic golf swing. HarperCollins Publishers Ltd.

Chicago Style (17th ed.) Citation

Els, Ernie. How to Build a Classic Golf Swing. London: HarperCollins Publishers Ltd, 1995.

MLA (9th ed.) Citation

Els, Ernie. How to Build a Classic Golf Swing. HarperCollins Publishers Ltd, 1995.

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