Cita APA (7a ed.)

Unwin, S. (2005). A guide to the plays of Bertolt Brecht. Methuen.

Cita Chicago Style (17a ed.)

Unwin, Stephen. A Guide to the Plays of Bertolt Brecht. London: Methuen, 2005.

Cita MLA (9a ed.)

Unwin, Stephen. A Guide to the Plays of Bertolt Brecht. Methuen, 2005.