Freies Potsdam. (2018). Freies Potsdam.
Cita Chicago (17th ed.)Freies Potsdam. Freies Potsdam. [Potsdam], 2018.
Cita MLA (8th ed.)Freies Potsdam. Freies Potsdam. 2018.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)