Browne, E. M. (1957). Four modern verse plays. Penguin Books.
Cita Chicago (17th ed.)Browne, Elliott Martin. Four Modern Verse Plays. [Harmonstworth, Middlesex]: Penguin Books, 1957.
Cita MLA (9th ed.)Browne, Elliott Martin. Four Modern Verse Plays. Penguin Books, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.