Cita APA (7th ed.)

Weidner, S., & Nowak, M. (2011). Last song. s.n..

Cita Chicago (17th ed.)

Weidner, Sascha, i Mirko Nowak. Last Song. Berlin: s.n., 2011.

Cita MLA (8th ed.)

Weidner, Sascha, i Mirko Nowak. Last Song. s.n., 2011.