Schumacher, S. (2016). Zur Brücke: Sven Schumacher. Materialverlag HFBK.
Cita Chicago (17th ed.)Schumacher, Sven. Zur Brücke: Sven Schumacher. Hamburg: Materialverlag HFBK, 2016.
Cita MLA (8th ed.)Schumacher, Sven. Zur Brücke: Sven Schumacher. Materialverlag HFBK, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.