(2015). Hotel Petra: Robert Polidori. ZEIT Magazin.
Cita Chicago (17th ed.)"Hotel Petra: Robert Polidori." ZEIT Magazin 2015.
Cita MLA (8th ed.)"Hotel Petra: Robert Polidori." ZEIT Magazin, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.