Cita APA (7th ed.)

Frisch, H., & Borcherdt, G. (2009). Tim Ernst.

Cita Chicago (17th ed.)

Frisch, Harald, i Gesine Borcherdt. Tim Ernst. Berlin, 2009.

Cita MLA (8th ed.)

Frisch, Harald, i Gesine Borcherdt. Tim Ernst. 2009.