APA (7th ed.) Citation

Lewis, H. G. (1999). On the art of writing copy. American Management Association.

Chicago Style (17th ed.) Citation

Lewis, Herschell Gordon. On the Art of Writing Copy. New York: American Management Association, 1999.

MLA (9th ed.) Citation

Lewis, Herschell Gordon. On the Art of Writing Copy. American Management Association, 1999.