APA (7th ed.) Citation

Hornstein, H. A. (1971). Social intervention: A behavioral science approach. Free Press.

Chicago Style (17th ed.) Citation

Hornstein, Harvey A. Social Intervention: A Behavioral Science Approach. New York: Free Press, 1971.

MLA (9th ed.) Citation

Hornstein, Harvey A. Social Intervention: A Behavioral Science Approach. Free Press, 1971.