Lewis, H. G. (1999). On the art of writing copy (2nd ed.). AMACOM.
Chicago Style (17th ed.) CitationLewis, Herschell Gordon. On the Art of Writing Copy. 2nd ed. New York: AMACOM, 1999.
MLA (8th ed.) CitationLewis, Herschell Gordon. On the Art of Writing Copy. 2nd ed. AMACOM, 1999.
Warning: These citations may not always be 100% accurate.