Cita APA

Patterson, J., & Roughan, H. (2007). You 've been warned. Headline publishing group.

Citación estilo Chicago

Patterson, James, y Howard Roughan. You 'Ve Been Warned. London: Headline publishing group, 2007.

Cita MLA

Patterson, James, y Howard Roughan. You 'Ve Been Warned. Headline publishing group, 2007.