APA (7th ed.) Citation

Lewis, H. G. (1986). How to make your advertising twice as effective at half the cost. Prentice-Hall.

Chicago Style (17th ed.) Citation

Lewis, Herschell Gordon. How to Make Your Advertising Twice as Effective at Half the Cost. Englewood Cliffs, N.J: Prentice-Hall, 1986.

MLA (9th ed.) Citation

Lewis, Herschell Gordon. How to Make Your Advertising Twice as Effective at Half the Cost. Prentice-Hall, 1986.