APA (7th ed.) Citation

St. John, N. (2009). The secret code of success: 7 hidden steps to more wealth and happiness (ePub edition.). HarperCollins.

Chicago Style (17th ed.) Citation

St. John, Noah. The Secret Code of Success: 7 Hidden Steps to More Wealth and Happiness. ePub edition. Pymble, N.S.W., Australia ; New York, N.Y.: HarperCollins, 2009.

MLA (9th ed.) Citation

St. John, Noah. The Secret Code of Success: 7 Hidden Steps to More Wealth and Happiness. ePub edition. HarperCollins, 2009.