APA

Berthoff W., . (1965). The ferment of realism: American literature, 1884-1919. New York: Free Press.

Chicago

Berthoff Warner, . 1965. The ferment of realism: American literature, 1884-1919. New York: Free Press.

Harvard

Berthoff W., . (1965). The ferment of realism: American literature, 1884-1919. New York: Free Press.

MLA

Berthoff Warner, . The ferment of realism: American literature, 1884-1919. New York: Free Press. 1965.