Cita APA (7th ed.)

(2005). Works on paper: Max Beckmann, Carl Grossberg, Jean Hélion, Karl Hubbuch, Ludwig Meidner, Hanna Nagel, Rudolf Schlichter.

Cita Chicago (17th ed.)

Works on Paper: Max Beckmann, Carl Grossberg, Jean Hélion, Karl Hubbuch, Ludwig Meidner, Hanna Nagel, Rudolf Schlichter. München, 2005.

Cita MLA (8th ed.)

Works on Paper: Max Beckmann, Carl Grossberg, Jean Hélion, Karl Hubbuch, Ludwig Meidner, Hanna Nagel, Rudolf Schlichter. 2005.