APA

Parsons T., . (1964). The social system. Glencoe, Ill: Free Press.

Chicago

Parsons Talcott, . 1964. The social system. Glencoe, Ill: Free Press.

Harvard

Parsons T., . (1964). The social system. Glencoe, Ill: Free Press.

MLA

Parsons Talcott, . The social system. Glencoe, Ill: Free Press. 1964.