Cita APA (7th ed.)

Matthews, J. (2005). The grail: The truth behind the myth. Godsfield.

Cita Chicago (17th ed.)

Matthews, John. The Grail: The Truth Behind the Myth. London: Godsfield, 2005.

Cita MLA (9th ed.)

Matthews, John. The Grail: The Truth Behind the Myth. Godsfield, 2005.