APA

Halstead T., Lind M., . (2001). The radical center. New York: Doubleday.

Chicago

Halstead Ted, Lind Michael, . 2001. The radical center. New York: Doubleday.

Harvard

Halstead T., Lind M., . (2001). The radical center. New York: Doubleday.

MLA

Halstead Ted, Lind Michael, . The radical center. New York: Doubleday. 2001.