Max Beckmann,
von Benno Reifenberg und Wilhelm Hausenstein.
APA Citation
Beckmann, M., Hausenstein, W., Reifenberg, B. (1949). Max Beckmann. München: R. Piper.
MLA Citation
Beckmann, Max, 1884-1950, Wilhelm Hausenstein, and Benno Reifenberg. Max Beckmann. München: R. Piper, 1949.
Warning: These citations may not always be complete (especially for serials).