APA (7th ed.) Citation

Kotler, P., & Roberto, E. L. (1989). Social marketing: Strategies for changing public behavior. Free Press.

Chicago Style (17th ed.) Citation

Kotler, Philip, and Eduardo L. Roberto. Social Marketing: Strategies for Changing Public Behavior. New York [etc.]: Free Press, 1989.

MLA (9th ed.) Citation

Kotler, Philip, and Eduardo L. Roberto. Social Marketing: Strategies for Changing Public Behavior. Free Press, 1989.