Cita APA (7th ed.)

Coelho, P., & Costa, M. J. (2007). The witch of Portobello. HarperCollins.

Cita Chicago (17th ed.)

Coelho, Paulo, i Margaret Jull Costa. The Witch of Portobello. London: HarperCollins, 2007.

Cita MLA (8th ed.)

Coelho, Paulo, i Margaret Jull Costa. The Witch of Portobello. HarperCollins, 2007.