APA-viite

ONeill, E. A. (1989). The plays of Eugene ONeill (1989.).

Chicago-tyylinen lähdeviittaus

ONeill, Eugene; Author. The Plays of Eugene ONeill. 1989. New Delhi, East-West Press, 1989.

MLA-viite

ONeill, Eugene; Author. The Plays of Eugene ONeill. 1989. 1989.