Cita APA (7th ed.)
Stein, G. (1949). Last Operas and plays.
Cita Chicago (17th ed.)
Stein, Gertrude. Last Operas and Plays. 1949.
Cita MLA (9th ed.)
Stein, Gertrude. Last Operas and Plays. 1949.
Atenció: Aquestes cites poden no estar 100% correctes.