Polke / Richter : Richter / Polke

MLA

Brown, Robert, Faith Chisholm, and Dietmar Elger. Polke / Richter : Richter / Polke. London: Christie's International Media Division, 2014.

APA

Brown, R., Chisholm, F., & Elger, D. (2014). Polke / Richter : Richter / Polke. London: Christie's International Media Division.

Chicago

Brown, Robert, Faith Chisholm, and Dietmar Elger. Polke / Richter : Richter / Polke. London: Christie's International Media Division, 2014.