The dark ages :
loan exhibition of pagan and Christian art in the Latin west and Byzantine east, February 20-March 21, 1937.

APA Citation

Worcester Art Museum. (1937). The dark ages: loan exhibition of pagan and Christian art in the Latin west and Byzantine east, February 20-March 21, 1937. [Worcester, Mass.]: Worcester Art Museum.

MLA Citation

Worcester Art Museum. The Dark Ages: Loan Exhibition of Pagan And Christian Art In the Latin West And Byzantine East, February 20-March 21, 1937. [Worcester, Mass.]: Worcester Art Museum, 1937.

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