Cita APA (7a ed.)

Parsons, T. (1964). The social system (1st Free Press pbk. ed.). Free Press.

Cita Chicago Style (17a ed.)

Parsons, Talcott. The Social System. 1st Free Press pbk. ed. New York: Free Press, 1964.

Cita MLA (9a ed.)

Parsons, Talcott. The Social System. 1st Free Press pbk. ed. Free Press, 1964.