Παραπομπή APA

Berthoff, W. (1981). The ferment of realism: American literature 1884-1919.

Παραπομπή Chicago Style

Berthoff, Warner. The Ferment of Realism: American Literature 1884-1919. London, cambridge University Press, 1981.

Παραπομπή MLA

Berthoff, Warner. The Ferment of Realism: American Literature 1884-1919. 1981.