Cita APA (7th ed.)
Higgins, G. (2010). Brian Friel. Northcote House.
Cita Chicago (17th ed.)
Higgins, Geraldine. Brian Friel. Tavistock: Northcote House, 2010.
Cita MLA (9th ed.)
Higgins, Geraldine. Brian Friel. Northcote House, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.