APA (7th ed.) Citation

Guarino, A. C. (2026). Greatness code: The formula behind unstoppable success. John Wiley.

Chicago Style (17th ed.) Citation

Guarino, Alan C. Greatness Code: The Formula Behind Unstoppable Success. Hoboken, New Jersey: John Wiley, 2026.

MLA (8th ed.) Citation

Guarino, Alan C. Greatness Code: The Formula Behind Unstoppable Success. John Wiley, 2026.

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