Cita APA (7th ed.)

Haas, W. (1958). Bert Brecht. Colloquium Verl. Otto H. Hess.

Cita Chicago (17th ed.)

Haas, Willy. Bert Brecht. Berlin: Colloquium Verl. Otto H. Hess, 1958.

Cita MLA (8th ed.)

Haas, Willy. Bert Brecht. Colloquium Verl. Otto H. Hess, 1958.