Cita APA (7th ed.)

Nesbo, J., & Barlett, D. (2010). The snowman. Vintage Books.

Cita Chicago (17th ed.)

Nesbo, Jo, i Don Barlett. The Snowman. London: Vintage Books, 2010.

Cita MLA (9th ed.)

Nesbo, Jo, i Don Barlett. The Snowman. Vintage Books, 2010.