APA

Commoner Barry, . (1972). The closing circle. New York: Knopf.

Chicago

Commoner Barry, . 1972. The closing circle. New York: Knopf.

Harvard

Commoner Barry, . (1972). The closing circle. New York: Knopf.

MLA

Commoner Barry, . The closing circle. New York: Knopf. 1972.