APA (7th ed.) Citation

Patterson, J., & Marklund, L. (2010). The postcard killers. Hachette Audio.

Chicago Style (17th ed.) Citation

Patterson, James, and Liza Marklund. The Postcard Killers. [New York]: Hachette Audio, 2010.

MLA (8th ed.) Citation

Patterson, James, and Liza Marklund. The Postcard Killers. Hachette Audio, 2010.

Warning: These citations may not always be 100% accurate.