Franklin

MLA

Lewis, Herschell Gordon. On the Art of Writing Copy. 2nd ed. New York: AMACOM, 1999.

APA

Lewis, H. Gordon. (1999). On the art of writing copy. 2nd ed. New York: AMACOM.

Chicago

Lewis, Herschell Gordon, On the Art of Writing Copy. 2nd ed. New York: AMACOM, 1999.