APA Citation

Parsons, T. (1951). The social system. London US: A free press paperback.

Chicago Style Citation

Parsons, Talcott. The Social System. London US: A free press paperback, 1951.

MLA Citation

Parsons, Talcott. The Social System. London US: A free press paperback, 1951.

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