Cita APA (7th ed.)
Dube, W. (1973). Die Expressionisten. Ullstein.
Cita Chicago (17th ed.)
Dube, Wolf-Dieter. Die Expressionisten. Frankfurt/Main, Berlin, Wien: Ullstein, 1973.
Cita MLA (9th ed.)
Dube, Wolf-Dieter. Die Expressionisten. Ullstein, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.