APA (7th ed.) Citation

Benn, A. (1978). The 27=twenty seven most common mistakes in advertising. AMACOM.

Chicago Style (17th ed.) Citation

Benn, Alec. The 27=twenty Seven Most Common Mistakes in Advertising. New York: AMACOM, 1978.

MLA (9th ed.) Citation

Benn, Alec. The 27=twenty Seven Most Common Mistakes in Advertising. AMACOM, 1978.