Cita APA (7a ed.)

Urban, D. Papierkampagne: Don't show what you're talking about...

Cita Chicago Style (17a ed.)

Urban, Dieter. Papierkampagne: Don't Show What You're Talking About...

Cita MLA (9a ed.)

Urban, Dieter. Papierkampagne: Don't Show What You're Talking About...