APA (7th ed.) Citation

Parsons, T. (1952). The social system (2. print.). Free Press.

Chicago Style (17th ed.) Citation

Parsons, Talcott. The Social System. 2. print. Glencoe, Ill: Free Press, 1952.

MLA (9th ed.) Citation

Parsons, Talcott. The Social System. 2. print. Free Press, 1952.