Max Beckmann, 1948 :
retrospective exhibition /
organized by City Art Museum of St. Louis.

APA Citation

City Art Museum of St. Louis. (1948). Max Beckmann, 1948: retrospective exhibition. [St. Louis]: [The Museum].

MLA Citation

City Art Museum of St. Louis. Max Beckmann, 1948: Retrospective Exhibition. [St. Louis]: [The Museum], 1948.

Warning: These citations may not always be complete (especially for serials).