Cita APA (7a ed.)

Parsons, T. (1951). The social system. Routledge and Kegan.

Cita Chicago Style (17a ed.)

Parsons, Talcott. The Social System. Londres: Routledge and Kegan, 1951.

Cita MLA (9a ed.)

Parsons, Talcott. The Social System. Routledge and Kegan, 1951.