APA

Cooper J. F., . (1931). The American democrat. New York: A. A. Knopf.

Chicago

Cooper James Fenimore, . 1931. The American democrat. New York: A. A. Knopf.

Harvard

Cooper J. F., . (1931). The American democrat. New York: A. A. Knopf.

MLA

Cooper James Fenimore, . The American democrat. New York: A. A. Knopf. 1931.