MLA

Gillen, Eckhart, et al. German Art From Beckmann to Richter : Images of a Divided Country. Köln: Berliner Festspiele, 1997.

APA

Gillen, E., Gallwitz, K., Bartsch, I., & Valentien, F. (1997). German Art from Beckmann to Richter : Images of a Divided Country. Köln: Berliner Festspiele.

Chicago

Gillen, Eckhart, Klaus Gallwitz, Ingo Bartsch, and Freerk Valentien. German Art From Beckmann to Richter: Images of a Divided Country. Köln: Berliner Festspiele, 1997.