Cita APA (7a ed.)

Heyward, A., & Heyward, A. (2013). Secret millionaires club: Warren Buffett's 26 secrets to success in the business of life (1st edition.). John Wiley & Sons, Inc.

Cita Chicago Style (17a ed.)

Heyward, Andy, y Amy Heyward. Secret Millionaires Club: Warren Buffett's 26 Secrets to Success in the Business of Life. 1st edition. Hoboken, NJ: John Wiley & Sons, Inc, 2013.

Cita MLA (9a ed.)

Heyward, Andy, y Amy Heyward. Secret Millionaires Club: Warren Buffett's 26 Secrets to Success in the Business of Life. 1st edition. John Wiley & Sons, Inc, 2013.