APA (7th ed.) Citation

Parsons, T. (1977). Social systems and the evolution of action theory. Free Press.

Chicago Style (17th ed.) Citation

Parsons, Talcott. Social Systems and the Evolution of Action Theory. New York: Free Press, 1977.

MLA (9th ed.) Citation

Parsons, Talcott. Social Systems and the Evolution of Action Theory. Free Press, 1977.

Warning: These citations may not always be 100% accurate.