Gerhard Richter

MLA

Hentschel, Martin, and Helmut Friedel. Gerhard Richter. London: Anthony d'Offay Gallery London, 1998.

APA

Hentschel, M., & Friedel, H. (1998). Gerhard Richter. London: Anthony d'Offay Gallery London.

Chicago

Hentschel, Martin, and Helmut Friedel. Gerhard Richter. London: Anthony d'Offay Gallery London, 1998.