Style de citation APA (7e éd.)

Vitale, J. (2007). The seven lost secrets of success: Million dollar ideas of Bruce Barton, America's forgotten genius. John Wiley & Sons.

Style de citation Chicago (17e éd.)

Vitale, Joe. The Seven Lost Secrets of Success: Million Dollar Ideas of Bruce Barton, America's Forgotten Genius. Hoboken, N.J.: John Wiley & Sons, 2007.

Style de citation MLA (8e éd.)

Vitale, Joe. The Seven Lost Secrets of Success: Million Dollar Ideas of Bruce Barton, America's Forgotten Genius. John Wiley & Sons, 2007.