Gerhard Richter :
portraits /
Stefan Gronert ; with an essay by Hubertus Butin.

APA Citation

Gronert, S., Butin, H. (2006). Gerhard Richter: portraits. Ostfildern: Hatje Cantz.

MLA Citation

Gronert, Stefan, and Hubertus Butin. Gerhard Richter: Portraits. Ostfildern: Hatje Cantz, 2006.

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