Cita APA (7th ed.)
Brecht, B. (1947). The caucasian chalk circle. Heinemann.
Cita Chicago (17th ed.)
Brecht, Bertolt. The Caucasian Chalk Circle. Nairobi: Heinemann, 1947.
Cita MLA (9th ed.)
Brecht, Bertolt. The Caucasian Chalk Circle. Heinemann, 1947.
Atenció: Aquestes cites poden no estar 100% correctes.