एपीए उद्धरण

O'Neill, E., & Bogard, T. (1967). The later plays of Eugene O'Neill. New York,: Modern Library.

शिकागो स्टाइल उद्धरण

O'Neill, Eugene, और Travis Bogard. The Later Plays of Eugene O'Neill. New York,: Modern Library, 1967.

एमएलए उद्धरण

O'Neill, Eugene, और Travis Bogard. The Later Plays of Eugene O'Neill. New York,: Modern Library, 1967.