APA (7th ed.) Citation

Preston, D. L. (2007). 365 steps to self-confidence: A complete programme for personal transformation in just a few minutes a day (3rd ed.). How To Books.

Chicago Style (17th ed.) Citation

Preston, David Lawrence. 365 Steps to Self-confidence: A Complete Programme for Personal Transformation in Just a Few Minutes a Day. 3rd ed. Oxford: How To Books, 2007.

MLA (9th ed.) Citation

Preston, David Lawrence. 365 Steps to Self-confidence: A Complete Programme for Personal Transformation in Just a Few Minutes a Day. 3rd ed. How To Books, 2007.