APA (7th ed.) Citation

Bettger, F. (1954). How I multiplied my income and happiness in selling. Prentice-Hall.

Chicago Style (17th ed.) Citation

Bettger, Frank. How I Multiplied My Income and Happiness in Selling. New York: Prentice-Hall, 1954.

MLA (9th ed.) Citation

Bettger, Frank. How I Multiplied My Income and Happiness in Selling. Prentice-Hall, 1954.