Müller, M. (2011). In Fremden Welten: A riddle named Rantanen. form.
Cita Chicago (17th ed.)Müller, Marie-Sophie. "In Fremden Welten: A Riddle Named Rantanen." Form 2011.
Cita MLA (8th ed.)Müller, Marie-Sophie. "In Fremden Welten: A Riddle Named Rantanen." Form, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.