APA (7th ed.) Citation

Mandino, O. (1988). The Greatest salesman in the world: Featuring the ten vows of success. Bantam Books.

Chicago Style (17th ed.) Citation

Mandino, Og. The Greatest Salesman in the World: Featuring the Ten Vows of Success. New York: Bantam Books, 1988.

MLA (9th ed.) Citation

Mandino, Og. The Greatest Salesman in the World: Featuring the Ten Vows of Success. Bantam Books, 1988.